Home / 80,002.60-119,712.30-73,004.20

Finding the Fourth Proportional to 80,002.60, 119,712.30 and 73,004.20

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Solution

The fourth proportional to 80,002.60, 119,712.30 and 73,004.20 is: 109,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,002.60 : 119,712.30 = 73,004.20 : x
  2. Step 2: Convert to fraction form
    80,002.60/119,712.30 = 73,004.20/x
  3. Step 3: Cross multiply
    80,002.60x = 119,712.30 × 73,004.20
  4. Step 4: Simplify right side
    80,002.60x = 8,739,500,691.66
  5. Step 5: Solve for x
    x = 8,739,500,691.66/80,002.60
  6. Step 6: Final answer
    x = 109,240.21

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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.