Home / 87,332.86-131,026.96-31,171.72

Finding the Fourth Proportional to 87,332.86, 131,026.96 and 31,171.72

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Solution

The fourth proportional to 87,332.86, 131,026.96 and 31,171.72 is: 46,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.86 : 131,026.96 = 31,171.72 : x
  2. Step 2: Convert to fraction form
    87,332.86/131,026.96 = 31,171.72/x
  3. Step 3: Cross multiply
    87,332.86x = 131,026.96 × 31,171.72
  4. Step 4: Simplify right side
    87,332.86x = 4,084,335,666.64
  5. Step 5: Solve for x
    x = 4,084,335,666.64/87,332.86
  6. Step 6: Final answer
    x = 46,767.46

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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.