Home / 91,507.14-126,280.89-51,224.76

Finding the Fourth Proportional to 91,507.14, 126,280.89 and 51,224.76

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Solution

The fourth proportional to 91,507.14, 126,280.89 and 51,224.76 is: 70,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,507.14 : 126,280.89 = 51,224.76 : x
  2. Step 2: Convert to fraction form
    91,507.14/126,280.89 = 51,224.76/x
  3. Step 3: Cross multiply
    91,507.14x = 126,280.89 × 51,224.76
  4. Step 4: Simplify right side
    91,507.14x = 6,468,708,282.84
  5. Step 5: Solve for x
    x = 6,468,708,282.84/91,507.14
  6. Step 6: Final answer
    x = 70,690.75

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.