Home / 68,177.02-102,231.30-39,723.18

Finding the Fourth Proportional to 68,177.02, 102,231.30 and 39,723.18

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Solution

The fourth proportional to 68,177.02, 102,231.30 and 39,723.18 is: 59,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.02 : 102,231.30 = 39,723.18 : x
  2. Step 2: Convert to fraction form
    68,177.02/102,231.30 = 39,723.18/x
  3. Step 3: Cross multiply
    68,177.02x = 102,231.30 × 39,723.18
  4. Step 4: Simplify right side
    68,177.02x = 4,060,952,331.53
  5. Step 5: Solve for x
    x = 4,060,952,331.53/68,177.02
  6. Step 6: Final answer
    x = 59,564.83

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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.