Home / 113,724.10-156,940.05-66,006.10

Finding the Fourth Proportional to 113,724.10, 156,940.05 and 66,006.10

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Solution

The fourth proportional to 113,724.10, 156,940.05 and 66,006.10 is: 91,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,724.10 : 156,940.05 = 66,006.10 : x
  2. Step 2: Convert to fraction form
    113,724.10/156,940.05 = 66,006.10/x
  3. Step 3: Cross multiply
    113,724.10x = 156,940.05 × 66,006.10
  4. Step 4: Simplify right side
    113,724.10x = 10,359,000,634.31
  5. Step 5: Solve for x
    x = 10,359,000,634.31/113,724.10
  6. Step 6: Final answer
    x = 91,088.88

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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.