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Finding the Fourth Proportional to 181,486, 272,479.29 and 125,192.62

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Solution

The fourth proportional to 181,486, 272,479.29 and 125,192.62 is: 187,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,486 : 272,479.29 = 125,192.62 : x
  2. Step 2: Convert to fraction form
    181,486/272,479.29 = 125,192.62/x
  3. Step 3: Cross multiply
    181,486x = 272,479.29 × 125,192.62
  4. Step 4: Simplify right side
    181,486x = 34,112,396,210.84
  5. Step 5: Solve for x
    x = 34,112,396,210.84/181,486
  6. Step 6: Final answer
    x = 187,961.58

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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.