Home / 124,931.28-172,405.17-67,570.61

Finding the Fourth Proportional to 124,931.28, 172,405.17 and 67,570.61

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Solution

The fourth proportional to 124,931.28, 172,405.17 and 67,570.61 is: 93,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,931.28 : 172,405.17 = 67,570.61 : x
  2. Step 2: Convert to fraction form
    124,931.28/172,405.17 = 67,570.61/x
  3. Step 3: Cross multiply
    124,931.28x = 172,405.17 × 67,570.61
  4. Step 4: Simplify right side
    124,931.28x = 11,649,522,504.05
  5. Step 5: Solve for x
    x = 11,649,522,504.05/124,931.28
  6. Step 6: Final answer
    x = 93,247.44

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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.