Home / 141,209.72-211,863.18-88,557.56

Finding the Fourth Proportional to 141,209.72, 211,863.18 and 88,557.56

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Solution

The fourth proportional to 141,209.72, 211,863.18 and 88,557.56 is: 132,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.72 : 211,863.18 = 88,557.56 : x
  2. Step 2: Convert to fraction form
    141,209.72/211,863.18 = 88,557.56/x
  3. Step 3: Cross multiply
    141,209.72x = 211,863.18 × 88,557.56
  4. Step 4: Simplify right side
    141,209.72x = 18,762,086,274.64
  5. Step 5: Solve for x
    x = 18,762,086,274.64/141,209.72
  6. Step 6: Final answer
    x = 132,866.82

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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.