Home / 110,691.66-152,707.95-77,177.10

Finding the Fourth Proportional to 110,691.66, 152,707.95 and 77,177.10

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Solution

The fourth proportional to 110,691.66, 152,707.95 and 77,177.10 is: 106,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691.66 : 152,707.95 = 77,177.10 : x
  2. Step 2: Convert to fraction form
    110,691.66/152,707.95 = 77,177.10/x
  3. Step 3: Cross multiply
    110,691.66x = 152,707.95 × 77,177.10
  4. Step 4: Simplify right side
    110,691.66x = 11,785,556,727.95
  5. Step 5: Solve for x
    x = 11,785,556,727.95/110,691.66
  6. Step 6: Final answer
    x = 106,471.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.