Home / 142,595.72-214,103.85-79,539.04

Finding the Fourth Proportional to 142,595.72, 214,103.85 and 79,539.04

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Solution

The fourth proportional to 142,595.72, 214,103.85 and 79,539.04 is: 119,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,595.72 : 214,103.85 = 79,539.04 : x
  2. Step 2: Convert to fraction form
    142,595.72/214,103.85 = 79,539.04/x
  3. Step 3: Cross multiply
    142,595.72x = 214,103.85 × 79,539.04
  4. Step 4: Simplify right side
    142,595.72x = 17,029,614,658.66
  5. Step 5: Solve for x
    x = 17,029,614,658.66/142,595.72
  6. Step 6: Final answer
    x = 119,425.85

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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.