Home / 91,460.48-126,220.35-51,171.83

Finding the Fourth Proportional to 91,460.48, 126,220.35 and 51,171.83

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Solution

The fourth proportional to 91,460.48, 126,220.35 and 51,171.83 is: 70,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,460.48 : 126,220.35 = 51,171.83 : x
  2. Step 2: Convert to fraction form
    91,460.48/126,220.35 = 51,171.83/x
  3. Step 3: Cross multiply
    91,460.48x = 126,220.35 × 51,171.83
  4. Step 4: Simplify right side
    91,460.48x = 6,458,926,292.74
  5. Step 5: Solve for x
    x = 6,458,926,292.74/91,460.48
  6. Step 6: Final answer
    x = 70,619.86

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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.