Home / 135,990.93-204,008.27-57,127.71

Finding the Fourth Proportional to 135,990.93, 204,008.27 and 57,127.71

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Solution

The fourth proportional to 135,990.93, 204,008.27 and 57,127.71 is: 85,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,990.93 : 204,008.27 = 57,127.71 : x
  2. Step 2: Convert to fraction form
    135,990.93/204,008.27 = 57,127.71/x
  3. Step 3: Cross multiply
    135,990.93x = 204,008.27 × 57,127.71
  4. Step 4: Simplify right side
    135,990.93x = 11,654,525,000.52
  5. Step 5: Solve for x
    x = 11,654,525,000.52/135,990.93
  6. Step 6: Final answer
    x = 85,700.75

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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.