Home / 153,852.38-230,704.72-72,731.85

Finding the Fourth Proportional to 153,852.38, 230,704.72 and 72,731.85

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Solution

The fourth proportional to 153,852.38, 230,704.72 and 72,731.85 is: 109,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,852.38 : 230,704.72 = 72,731.85 : x
  2. Step 2: Convert to fraction form
    153,852.38/230,704.72 = 72,731.85/x
  3. Step 3: Cross multiply
    153,852.38x = 230,704.72 × 72,731.85
  4. Step 4: Simplify right side
    153,852.38x = 16,779,581,089.33
  5. Step 5: Solve for x
    x = 16,779,581,089.33/153,852.38
  6. Step 6: Final answer
    x = 109,062.86

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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.