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Finding the Fourth Proportional to 181,361.76, 272,042.27 and 48,242.16

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Solution

The fourth proportional to 181,361.76, 272,042.27 and 48,242.16 is: 72,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,361.76 : 272,042.27 = 48,242.16 : x
  2. Step 2: Convert to fraction form
    181,361.76/272,042.27 = 48,242.16/x
  3. Step 3: Cross multiply
    181,361.76x = 272,042.27 × 48,242.16
  4. Step 4: Simplify right side
    181,361.76x = 13,123,906,716.10
  5. Step 5: Solve for x
    x = 13,123,906,716.10/181,361.76
  6. Step 6: Final answer
    x = 72,363.14

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1.5x scale

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.