Home / 239,743.98-359,674.38-79,819.60

Finding the Fourth Proportional to 239,743.98, 359,674.38 and 79,819.60

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Solution

The fourth proportional to 239,743.98, 359,674.38 and 79,819.60 is: 119,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,743.98 : 359,674.38 = 79,819.60 : x
  2. Step 2: Convert to fraction form
    239,743.98/359,674.38 = 79,819.60/x
  3. Step 3: Cross multiply
    239,743.98x = 359,674.38 × 79,819.60
  4. Step 4: Simplify right side
    239,743.98x = 28,709,065,141.85
  5. Step 5: Solve for x
    x = 28,709,065,141.85/239,743.98
  6. Step 6: Final answer
    x = 119,748.85

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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.