Home / 133,731.27-200,400.08-58,782.78

Finding the Fourth Proportional to 133,731.27, 200,400.08 and 58,782.78

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Solution

The fourth proportional to 133,731.27, 200,400.08 and 58,782.78 is: 88,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731.27 : 200,400.08 = 58,782.78 : x
  2. Step 2: Convert to fraction form
    133,731.27/200,400.08 = 58,782.78/x
  3. Step 3: Cross multiply
    133,731.27x = 200,400.08 × 58,782.78
  4. Step 4: Simplify right side
    133,731.27x = 11,780,073,520.71
  5. Step 5: Solve for x
    x = 11,780,073,520.71/133,731.27
  6. Step 6: Final answer
    x = 88,087.65

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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.