Home / 134,708.28-185,893.82-74,277.90

Finding the Fourth Proportional to 134,708.28, 185,893.82 and 74,277.90

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Solution

The fourth proportional to 134,708.28, 185,893.82 and 74,277.90 is: 102,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,708.28 : 185,893.82 = 74,277.90 : x
  2. Step 2: Convert to fraction form
    134,708.28/185,893.82 = 74,277.90/x
  3. Step 3: Cross multiply
    134,708.28x = 185,893.82 × 74,277.90
  4. Step 4: Simplify right side
    134,708.28x = 13,807,802,572.58
  5. Step 5: Solve for x
    x = 13,807,802,572.58/134,708.28
  6. Step 6: Final answer
    x = 102,501.51

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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.