Home / 207,098.10-310,428.45-118,160.10

Finding the Fourth Proportional to 207,098.10, 310,428.45 and 118,160.10

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Solution

The fourth proportional to 207,098.10, 310,428.45 and 118,160.10 is: 177,115.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,098.10 : 310,428.45 = 118,160.10 : x
  2. Step 2: Convert to fraction form
    207,098.10/310,428.45 = 118,160.10/x
  3. Step 3: Cross multiply
    207,098.10x = 310,428.45 × 118,160.10
  4. Step 4: Simplify right side
    207,098.10x = 36,680,256,694.85
  5. Step 5: Solve for x
    x = 36,680,256,694.85/207,098.10
  6. Step 6: Final answer
    x = 177,115.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.