Home / 87,436.96-131,196.93-45,309.17

Finding the Fourth Proportional to 87,436.96, 131,196.93 and 45,309.17

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Solution

The fourth proportional to 87,436.96, 131,196.93 and 45,309.17 is: 67,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,436.96 : 131,196.93 = 45,309.17 : x
  2. Step 2: Convert to fraction form
    87,436.96/131,196.93 = 45,309.17/x
  3. Step 3: Cross multiply
    87,436.96x = 131,196.93 × 45,309.17
  4. Step 4: Simplify right side
    87,436.96x = 5,944,423,348.86
  5. Step 5: Solve for x
    x = 5,944,423,348.86/87,436.96
  6. Step 6: Final answer
    x = 67,985.25

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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.