Home / 134,686.41-185,864.13-74,255.69

Finding the Fourth Proportional to 134,686.41, 185,864.13 and 74,255.69

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Solution

The fourth proportional to 134,686.41, 185,864.13 and 74,255.69 is: 102,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,686.41 : 185,864.13 = 74,255.69 : x
  2. Step 2: Convert to fraction form
    134,686.41/185,864.13 = 74,255.69/x
  3. Step 3: Cross multiply
    134,686.41x = 185,864.13 × 74,255.69
  4. Step 4: Simplify right side
    134,686.41x = 13,801,468,290.08
  5. Step 5: Solve for x
    x = 13,801,468,290.08/134,686.41
  6. Step 6: Final answer
    x = 102,471.13

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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.