Home / 132,440.10-182,762.29-72,010.79

Finding the Fourth Proportional to 132,440.10, 182,762.29 and 72,010.79

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Solution

The fourth proportional to 132,440.10, 182,762.29 and 72,010.79 is: 99,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.10 : 182,762.29 = 72,010.79 : x
  2. Step 2: Convert to fraction form
    132,440.10/182,762.29 = 72,010.79/x
  3. Step 3: Cross multiply
    132,440.10x = 182,762.29 × 72,010.79
  4. Step 4: Simplify right side
    132,440.10x = 13,160,856,949.20
  5. Step 5: Solve for x
    x = 13,160,856,949.20/132,440.10
  6. Step 6: Final answer
    x = 99,372.15

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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.