Home / 159,129.30-219,598.14-91,168.27

Finding the Fourth Proportional to 159,129.30, 219,598.14 and 91,168.27

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Solution

The fourth proportional to 159,129.30, 219,598.14 and 91,168.27 is: 125,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,129.30 : 219,598.14 = 91,168.27 : x
  2. Step 2: Convert to fraction form
    159,129.30/219,598.14 = 91,168.27/x
  3. Step 3: Cross multiply
    159,129.30x = 219,598.14 × 91,168.27
  4. Step 4: Simplify right side
    159,129.30x = 20,020,382,519.02
  5. Step 5: Solve for x
    x = 20,020,382,519.02/159,129.30
  6. Step 6: Final answer
    x = 125,812.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.