Home / 148,959.20-223,438.80-95,815.10

Finding the Fourth Proportional to 148,959.20, 223,438.80 and 95,815.10

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Solution

The fourth proportional to 148,959.20, 223,438.80 and 95,815.10 is: 143,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959.20 : 223,438.80 = 95,815.10 : x
  2. Step 2: Convert to fraction form
    148,959.20/223,438.80 = 95,815.10/x
  3. Step 3: Cross multiply
    148,959.20x = 223,438.80 × 95,815.10
  4. Step 4: Simplify right side
    148,959.20x = 21,408,810,965.88
  5. Step 5: Solve for x
    x = 21,408,810,965.88/148,959.20
  6. Step 6: Final answer
    x = 143,722.65

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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.