Home / 86,755.11-130,151.82-36,877.83

Finding the Fourth Proportional to 86,755.11, 130,151.82 and 36,877.83

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Solution

The fourth proportional to 86,755.11, 130,151.82 and 36,877.83 is: 55,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,755.11 : 130,151.82 = 36,877.83 : x
  2. Step 2: Convert to fraction form
    86,755.11/130,151.82 = 36,877.83/x
  3. Step 3: Cross multiply
    86,755.11x = 130,151.82 × 36,877.83
  4. Step 4: Simplify right side
    86,755.11x = 4,799,716,692.15
  5. Step 5: Solve for x
    x = 4,799,716,692.15/86,755.11
  6. Step 6: Final answer
    x = 55,324.89

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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.