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Finding the Fourth Proportional to 181,019.92, 271,728.52 and 143,819.12

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Solution

The fourth proportional to 181,019.92, 271,728.52 and 143,819.12 is: 215,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,019.92 : 271,728.52 = 143,819.12 : x
  2. Step 2: Convert to fraction form
    181,019.92/271,728.52 = 143,819.12/x
  3. Step 3: Cross multiply
    181,019.92x = 271,728.52 × 143,819.12
  4. Step 4: Simplify right side
    181,019.92x = 39,079,754,547.56
  5. Step 5: Solve for x
    x = 39,079,754,547.56/181,019.92
  6. Step 6: Final answer
    x = 215,886.49

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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.