Home / 159,956.37-240,082.16-81,125.96

Finding the Fourth Proportional to 159,956.37, 240,082.16 and 81,125.96

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Solution

The fourth proportional to 159,956.37, 240,082.16 and 81,125.96 is: 121,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,956.37 : 240,082.16 = 81,125.96 : x
  2. Step 2: Convert to fraction form
    159,956.37/240,082.16 = 81,125.96/x
  3. Step 3: Cross multiply
    159,956.37x = 240,082.16 × 81,125.96
  4. Step 4: Simplify right side
    159,956.37x = 19,476,894,102.83
  5. Step 5: Solve for x
    x = 19,476,894,102.83/159,956.37
  6. Step 6: Final answer
    x = 121,763.79

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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.