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Finding the Fourth Proportional to 181,663.80, 272,495.70 and 159,502.20

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Solution

The fourth proportional to 181,663.80, 272,495.70 and 159,502.20 is: 239,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,663.80 : 272,495.70 = 159,502.20 : x
  2. Step 2: Convert to fraction form
    181,663.80/272,495.70 = 159,502.20/x
  3. Step 3: Cross multiply
    181,663.80x = 272,495.70 × 159,502.20
  4. Step 4: Simplify right side
    181,663.80x = 43,463,663,640.54
  5. Step 5: Solve for x
    x = 43,463,663,640.54/181,663.80
  6. Step 6: Final answer
    x = 239,253.30

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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.