Home / 80,098.83-120,148.25-30,190.14

Finding the Fourth Proportional to 80,098.83, 120,148.25 and 30,190.14

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Solution

The fourth proportional to 80,098.83, 120,148.25 and 30,190.14 is: 45,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,098.83 : 120,148.25 = 30,190.14 : x
  2. Step 2: Convert to fraction form
    80,098.83/120,148.25 = 30,190.14/x
  3. Step 3: Cross multiply
    80,098.83x = 120,148.25 × 30,190.14
  4. Step 4: Simplify right side
    80,098.83x = 3,627,292,337.30
  5. Step 5: Solve for x
    x = 3,627,292,337.30/80,098.83
  6. Step 6: Final answer
    x = 45,285.21

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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.