Home / 239,331.60-330,279.84-131,905.52

Finding the Fourth Proportional to 239,331.60, 330,279.84 and 131,905.52

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Solution

The fourth proportional to 239,331.60, 330,279.84 and 131,905.52 is: 182,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,331.60 : 330,279.84 = 131,905.52 : x
  2. Step 2: Convert to fraction form
    239,331.60/330,279.84 = 131,905.52/x
  3. Step 3: Cross multiply
    239,331.60x = 330,279.84 × 131,905.52
  4. Step 4: Simplify right side
    239,331.60x = 43,565,734,040.72
  5. Step 5: Solve for x
    x = 43,565,734,040.72/239,331.60
  6. Step 6: Final answer
    x = 182,030.85

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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.