Home / 134,659.73-185,822.10-74,227.25

Finding the Fourth Proportional to 134,659.73, 185,822.10 and 74,227.25

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Solution

The fourth proportional to 134,659.73, 185,822.10 and 74,227.25 is: 102,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,659.73 : 185,822.10 = 74,227.25 : x
  2. Step 2: Convert to fraction form
    134,659.73/185,822.10 = 74,227.25/x
  3. Step 3: Cross multiply
    134,659.73x = 185,822.10 × 74,227.25
  4. Step 4: Simplify right side
    134,659.73x = 13,793,063,936.78
  5. Step 5: Solve for x
    x = 13,793,063,936.78/134,659.73
  6. Step 6: Final answer
    x = 102,429.02

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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.