Home / 138,584.30-207,898.23-45,068.18

Finding the Fourth Proportional to 138,584.30, 207,898.23 and 45,068.18

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Solution

The fourth proportional to 138,584.30, 207,898.23 and 45,068.18 is: 67,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,584.30 : 207,898.23 = 45,068.18 : x
  2. Step 2: Convert to fraction form
    138,584.30/207,898.23 = 45,068.18/x
  3. Step 3: Cross multiply
    138,584.30x = 207,898.23 × 45,068.18
  4. Step 4: Simplify right side
    138,584.30x = 9,369,594,851.32
  5. Step 5: Solve for x
    x = 9,369,594,851.32/138,584.30
  6. Step 6: Final answer
    x = 67,609.35

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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.