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Finding the Fourth Proportional to 181,489, 272,483.80 and 125,195.62

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Solution

The fourth proportional to 181,489, 272,483.80 and 125,195.62 is: 187,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,489 : 272,483.80 = 125,195.62 : x
  2. Step 2: Convert to fraction form
    181,489/272,483.80 = 125,195.62/x
  3. Step 3: Cross multiply
    181,489x = 272,483.80 × 125,195.62
  4. Step 4: Simplify right side
    181,489x = 34,113,778,280.96
  5. Step 5: Solve for x
    x = 34,113,778,280.96/181,489
  6. Step 6: Final answer
    x = 187,966.09

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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.