Home / 159,376.34-219,944.19-87,758.92

Finding the Fourth Proportional to 159,376.34, 219,944.19 and 87,758.92

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Solution

The fourth proportional to 159,376.34, 219,944.19 and 87,758.92 is: 121,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,376.34 : 219,944.19 = 87,758.92 : x
  2. Step 2: Convert to fraction form
    159,376.34/219,944.19 = 87,758.92/x
  3. Step 3: Cross multiply
    159,376.34x = 219,944.19 × 87,758.92
  4. Step 4: Simplify right side
    159,376.34x = 19,302,064,932.90
  5. Step 5: Solve for x
    x = 19,302,064,932.90/159,376.34
  6. Step 6: Final answer
    x = 121,109.98

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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.