Home / 124,990.46-172,497.61-71,277.74

Finding the Fourth Proportional to 124,990.46, 172,497.61 and 71,277.74

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Solution

The fourth proportional to 124,990.46, 172,497.61 and 71,277.74 is: 98,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,990.46 : 172,497.61 = 71,277.74 : x
  2. Step 2: Convert to fraction form
    124,990.46/172,497.61 = 71,277.74/x
  3. Step 3: Cross multiply
    124,990.46x = 172,497.61 × 71,277.74
  4. Step 4: Simplify right side
    124,990.46x = 12,295,239,796.20
  5. Step 5: Solve for x
    x = 12,295,239,796.20/124,990.46
  6. Step 6: Final answer
    x = 98,369.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.