Home / 165,159.20-247,712.72-137,258.56

Finding the Fourth Proportional to 165,159.20, 247,712.72 and 137,258.56

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Solution

The fourth proportional to 165,159.20, 247,712.72 and 137,258.56 is: 205,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,159.20 : 247,712.72 = 137,258.56 : x
  2. Step 2: Convert to fraction form
    165,159.20/247,712.72 = 137,258.56/x
  3. Step 3: Cross multiply
    165,159.20x = 247,712.72 × 137,258.56
  4. Step 4: Simplify right side
    165,159.20x = 34,000,691,240.88
  5. Step 5: Solve for x
    x = 34,000,691,240.88/165,159.20
  6. Step 6: Final answer
    x = 205,866.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.