Home / 119,931.20-179,894.30-39,974.96

Finding the Fourth Proportional to 119,931.20, 179,894.30 and 39,974.96

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Solution

The fourth proportional to 119,931.20, 179,894.30 and 39,974.96 is: 59,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,931.20 : 179,894.30 = 39,974.96 : x
  2. Step 2: Convert to fraction form
    119,931.20/179,894.30 = 39,974.96/x
  3. Step 3: Cross multiply
    119,931.20x = 179,894.30 × 39,974.96
  4. Step 4: Simplify right side
    119,931.20x = 7,191,267,446.73
  5. Step 5: Solve for x
    x = 7,191,267,446.73/119,931.20
  6. Step 6: Final answer
    x = 59,961.61

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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.