Home / 159,584.10-239,084.55-129,840.90

Finding the Fourth Proportional to 159,584.10, 239,084.55 and 129,840.90

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Solution

The fourth proportional to 159,584.10, 239,084.55 and 129,840.90 is: 194,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,584.10 : 239,084.55 = 129,840.90 : x
  2. Step 2: Convert to fraction form
    159,584.10/239,084.55 = 129,840.90/x
  3. Step 3: Cross multiply
    159,584.10x = 239,084.55 × 129,840.90
  4. Step 4: Simplify right side
    159,584.10x = 31,042,953,148.10
  5. Step 5: Solve for x
    x = 31,042,953,148.10/159,584.10
  6. Step 6: Final answer
    x = 194,524.10

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1.5x scale

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.