Home / 172,689.20-238,289.28-96,189.02

Finding the Fourth Proportional to 172,689.20, 238,289.28 and 96,189.02

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Solution

The fourth proportional to 172,689.20, 238,289.28 and 96,189.02 is: 132,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,689.20 : 238,289.28 = 96,189.02 : x
  2. Step 2: Convert to fraction form
    172,689.20/238,289.28 = 96,189.02/x
  3. Step 3: Cross multiply
    172,689.20x = 238,289.28 × 96,189.02
  4. Step 4: Simplify right side
    172,689.20x = 22,920,812,319.71
  5. Step 5: Solve for x
    x = 22,920,812,319.71/172,689.20
  6. Step 6: Final answer
    x = 132,728.70

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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.