Home / 138,011.46-207,036.90-49,246.26

Finding the Fourth Proportional to 138,011.46, 207,036.90 and 49,246.26

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Solution

The fourth proportional to 138,011.46, 207,036.90 and 49,246.26 is: 73,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,011.46 : 207,036.90 = 49,246.26 : x
  2. Step 2: Convert to fraction form
    138,011.46/207,036.90 = 49,246.26/x
  3. Step 3: Cross multiply
    138,011.46x = 207,036.90 × 49,246.26
  4. Step 4: Simplify right side
    138,011.46x = 10,195,793,006.99
  5. Step 5: Solve for x
    x = 10,195,793,006.99/138,011.46
  6. Step 6: Final answer
    x = 73,876.42

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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.