Home / 159,744.08-220,447.06-88,123.96

Finding the Fourth Proportional to 159,744.08, 220,447.06 and 88,123.96

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Solution

The fourth proportional to 159,744.08, 220,447.06 and 88,123.96 is: 121,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,744.08 : 220,447.06 = 88,123.96 : x
  2. Step 2: Convert to fraction form
    159,744.08/220,447.06 = 88,123.96/x
  3. Step 3: Cross multiply
    159,744.08x = 220,447.06 × 88,123.96
  4. Step 4: Simplify right side
    159,744.08x = 19,426,667,897.56
  5. Step 5: Solve for x
    x = 19,426,667,897.56/159,744.08
  6. Step 6: Final answer
    x = 121,611.19

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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.