Home / 159,623.60-239,435.40-88,764.80

Finding the Fourth Proportional to 159,623.60, 239,435.40 and 88,764.80

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Solution

The fourth proportional to 159,623.60, 239,435.40 and 88,764.80 is: 133,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,623.60 : 239,435.40 = 88,764.80 : x
  2. Step 2: Convert to fraction form
    159,623.60/239,435.40 = 88,764.80/x
  3. Step 3: Cross multiply
    159,623.60x = 239,435.40 × 88,764.80
  4. Step 4: Simplify right side
    159,623.60x = 21,253,435,393.92
  5. Step 5: Solve for x
    x = 21,253,435,393.92/159,623.60
  6. Step 6: Final answer
    x = 133,147.20

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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.