Home / 172,439.84-237,964.68-96,988.34

Finding the Fourth Proportional to 172,439.84, 237,964.68 and 96,988.34

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Solution

The fourth proportional to 172,439.84, 237,964.68 and 96,988.34 is: 133,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,439.84 : 237,964.68 = 96,988.34 : x
  2. Step 2: Convert to fraction form
    172,439.84/237,964.68 = 96,988.34/x
  3. Step 3: Cross multiply
    172,439.84x = 237,964.68 × 96,988.34
  4. Step 4: Simplify right side
    172,439.84x = 23,079,799,291.83
  5. Step 5: Solve for x
    x = 23,079,799,291.83/172,439.84
  6. Step 6: Final answer
    x = 133,842.62

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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.