Home / 104,035.93-155,988.28-57,321.61

Finding the Fourth Proportional to 104,035.93, 155,988.28 and 57,321.61

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Solution

The fourth proportional to 104,035.93, 155,988.28 and 57,321.61 is: 85,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.93 : 155,988.28 = 57,321.61 : x
  2. Step 2: Convert to fraction form
    104,035.93/155,988.28 = 57,321.61/x
  3. Step 3: Cross multiply
    104,035.93x = 155,988.28 × 57,321.61
  4. Step 4: Simplify right side
    104,035.93x = 8,941,499,350.73
  5. Step 5: Solve for x
    x = 8,941,499,350.73/104,035.93
  6. Step 6: Final answer
    x = 85,946.26

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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.