Home / 138,931.52-207,454.16-110,533.92

Finding the Fourth Proportional to 138,931.52, 207,454.16 and 110,533.92

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Solution

The fourth proportional to 138,931.52, 207,454.16 and 110,533.92 is: 165,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,931.52 : 207,454.16 = 110,533.92 : x
  2. Step 2: Convert to fraction form
    138,931.52/207,454.16 = 110,533.92/x
  3. Step 3: Cross multiply
    138,931.52x = 207,454.16 × 110,533.92
  4. Step 4: Simplify right side
    138,931.52x = 22,930,721,525.11
  5. Step 5: Solve for x
    x = 22,930,721,525.11/138,931.52
  6. Step 6: Final answer
    x = 165,050.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.