Home / 87,707.87-131,337.64-48,221.58

Finding the Fourth Proportional to 87,707.87, 131,337.64 and 48,221.58

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Solution

The fourth proportional to 87,707.87, 131,337.64 and 48,221.58 is: 72,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,707.87 : 131,337.64 = 48,221.58 : x
  2. Step 2: Convert to fraction form
    87,707.87/131,337.64 = 48,221.58/x
  3. Step 3: Cross multiply
    87,707.87x = 131,337.64 × 48,221.58
  4. Step 4: Simplify right side
    87,707.87x = 6,333,308,795.82
  5. Step 5: Solve for x
    x = 6,333,308,795.82/87,707.87
  6. Step 6: Final answer
    x = 72,209.13

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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.