Home / 138,246.48-207,207.86-52,801.36

Finding the Fourth Proportional to 138,246.48, 207,207.86 and 52,801.36

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Solution

The fourth proportional to 138,246.48, 207,207.86 and 52,801.36 is: 79,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,246.48 : 207,207.86 = 52,801.36 : x
  2. Step 2: Convert to fraction form
    138,246.48/207,207.86 = 52,801.36/x
  3. Step 3: Cross multiply
    138,246.48x = 207,207.86 × 52,801.36
  4. Step 4: Simplify right side
    138,246.48x = 10,940,856,810.69
  5. Step 5: Solve for x
    x = 10,940,856,810.69/138,246.48
  6. Step 6: Final answer
    x = 79,140.22

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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.