Home / 158,591.20-218,865.88-104,781.92

Finding the Fourth Proportional to 158,591.20, 218,865.88 and 104,781.92

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Solution

The fourth proportional to 158,591.20, 218,865.88 and 104,781.92 is: 144,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,591.20 : 218,865.88 = 104,781.92 : x
  2. Step 2: Convert to fraction form
    158,591.20/218,865.88 = 104,781.92/x
  3. Step 3: Cross multiply
    158,591.20x = 218,865.88 × 104,781.92
  4. Step 4: Simplify right side
    158,591.20x = 22,933,187,128.89
  5. Step 5: Solve for x
    x = 22,933,187,128.89/158,591.20
  6. Step 6: Final answer
    x = 144,605.67

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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.