Home / 128,337.12-192,522.24-49,473.84

Finding the Fourth Proportional to 128,337.12, 192,522.24 and 49,473.84

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Solution

The fourth proportional to 128,337.12, 192,522.24 and 49,473.84 is: 74,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,337.12 : 192,522.24 = 49,473.84 : x
  2. Step 2: Convert to fraction form
    128,337.12/192,522.24 = 49,473.84/x
  3. Step 3: Cross multiply
    128,337.12x = 192,522.24 × 49,473.84
  4. Step 4: Simplify right side
    128,337.12x = 9,524,814,498.20
  5. Step 5: Solve for x
    x = 9,524,814,498.20/128,337.12
  6. Step 6: Final answer
    x = 74,217.14

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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.