Home / 87,488.88-131,201.04-31,313.76

Finding the Fourth Proportional to 87,488.88, 131,201.04 and 31,313.76

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Solution

The fourth proportional to 87,488.88, 131,201.04 and 31,313.76 is: 46,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.88 : 131,201.04 = 31,313.76 : x
  2. Step 2: Convert to fraction form
    87,488.88/131,201.04 = 31,313.76/x
  3. Step 3: Cross multiply
    87,488.88x = 131,201.04 × 31,313.76
  4. Step 4: Simplify right side
    87,488.88x = 4,108,397,878.31
  5. Step 5: Solve for x
    x = 4,108,397,878.31/87,488.88
  6. Step 6: Final answer
    x = 46,959.09

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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.