Home / 238,739.60-329,444.56-136,765.52

Finding the Fourth Proportional to 238,739.60, 329,444.56 and 136,765.52

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Solution

The fourth proportional to 238,739.60, 329,444.56 and 136,765.52 is: 188,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,739.60 : 329,444.56 = 136,765.52 : x
  2. Step 2: Convert to fraction form
    238,739.60/329,444.56 = 136,765.52/x
  3. Step 3: Cross multiply
    238,739.60x = 329,444.56 × 136,765.52
  4. Step 4: Simplify right side
    238,739.60x = 45,056,656,559.57
  5. Step 5: Solve for x
    x = 45,056,656,559.57/238,739.60
  6. Step 6: Final answer
    x = 188,727.20

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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.