Home / 254,861.11-382,144.07-86,324.95

Finding the Fourth Proportional to 254,861.11, 382,144.07 and 86,324.95

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Solution

The fourth proportional to 254,861.11, 382,144.07 and 86,324.95 is: 129,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,861.11 : 382,144.07 = 86,324.95 : x
  2. Step 2: Convert to fraction form
    254,861.11/382,144.07 = 86,324.95/x
  3. Step 3: Cross multiply
    254,861.11x = 382,144.07 × 86,324.95
  4. Step 4: Simplify right side
    254,861.11x = 32,988,567,303.92
  5. Step 5: Solve for x
    x = 32,988,567,303.92/254,861.11
  6. Step 6: Final answer
    x = 129,437.43

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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.