Home / 80,197.28-120,337.40-58,192.08

Finding the Fourth Proportional to 80,197.28, 120,337.40 and 58,192.08

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Solution

The fourth proportional to 80,197.28, 120,337.40 and 58,192.08 is: 87,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,197.28 : 120,337.40 = 58,192.08 : x
  2. Step 2: Convert to fraction form
    80,197.28/120,337.40 = 58,192.08/x
  3. Step 3: Cross multiply
    80,197.28x = 120,337.40 × 58,192.08
  4. Step 4: Simplify right side
    80,197.28x = 7,002,683,607.79
  5. Step 5: Solve for x
    x = 7,002,683,607.79/80,197.28
  6. Step 6: Final answer
    x = 87,318.22

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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.