Home / 138,060.72-207,134.55-49,312.26

Finding the Fourth Proportional to 138,060.72, 207,134.55 and 49,312.26

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Solution

The fourth proportional to 138,060.72, 207,134.55 and 49,312.26 is: 73,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,060.72 : 207,134.55 = 49,312.26 : x
  2. Step 2: Convert to fraction form
    138,060.72/207,134.55 = 49,312.26/x
  3. Step 3: Cross multiply
    138,060.72x = 207,134.55 × 49,312.26
  4. Step 4: Simplify right side
    138,060.72x = 10,214,272,784.58
  5. Step 5: Solve for x
    x = 10,214,272,784.58/138,060.72
  6. Step 6: Final answer
    x = 73,983.92

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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.