Home / 91,454.55-126,164.64-59,199.57

Finding the Fourth Proportional to 91,454.55, 126,164.64 and 59,199.57

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Solution

The fourth proportional to 91,454.55, 126,164.64 and 59,199.57 is: 81,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.55 : 126,164.64 = 59,199.57 : x
  2. Step 2: Convert to fraction form
    91,454.55/126,164.64 = 59,199.57/x
  3. Step 3: Cross multiply
    91,454.55x = 126,164.64 × 59,199.57
  4. Step 4: Simplify right side
    91,454.55x = 7,468,892,437.20
  5. Step 5: Solve for x
    x = 7,468,892,437.20/91,454.55
  6. Step 6: Final answer
    x = 81,667.81

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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.