Home / 132,140.41-182,355.10-71,711.57

Finding the Fourth Proportional to 132,140.41, 182,355.10 and 71,711.57

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Solution

The fourth proportional to 132,140.41, 182,355.10 and 71,711.57 is: 98,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,140.41 : 182,355.10 = 71,711.57 : x
  2. Step 2: Convert to fraction form
    132,140.41/182,355.10 = 71,711.57/x
  3. Step 3: Cross multiply
    132,140.41x = 182,355.10 × 71,711.57
  4. Step 4: Simplify right side
    132,140.41x = 13,076,970,159.95
  5. Step 5: Solve for x
    x = 13,076,970,159.95/132,140.41
  6. Step 6: Final answer
    x = 98,962.69

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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.