Home / 119,626.70-179,144.60-89,158.78

Finding the Fourth Proportional to 119,626.70, 179,144.60 and 89,158.78

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Solution

The fourth proportional to 119,626.70, 179,144.60 and 89,158.78 is: 133,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,626.70 : 179,144.60 = 89,158.78 : x
  2. Step 2: Convert to fraction form
    119,626.70/179,144.60 = 89,158.78/x
  3. Step 3: Cross multiply
    119,626.70x = 179,144.60 × 89,158.78
  4. Step 4: Simplify right side
    119,626.70x = 15,972,315,013.85
  5. Step 5: Solve for x
    x = 15,972,315,013.85/119,626.70
  6. Step 6: Final answer
    x = 133,517.98

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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.