Home / 156,144.11-215,482.77-95,748.03

Finding the Fourth Proportional to 156,144.11, 215,482.77 and 95,748.03

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Solution

The fourth proportional to 156,144.11, 215,482.77 and 95,748.03 is: 132,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,144.11 : 215,482.77 = 95,748.03 : x
  2. Step 2: Convert to fraction form
    156,144.11/215,482.77 = 95,748.03/x
  3. Step 3: Cross multiply
    156,144.11x = 215,482.77 × 95,748.03
  4. Step 4: Simplify right side
    156,144.11x = 20,632,050,726.44
  5. Step 5: Solve for x
    x = 20,632,050,726.44/156,144.11
  6. Step 6: Final answer
    x = 132,134.68

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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.