Home / 148,948.30-223,422.45-89,965.90

Finding the Fourth Proportional to 148,948.30, 223,422.45 and 89,965.90

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Solution

The fourth proportional to 148,948.30, 223,422.45 and 89,965.90 is: 134,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,948.30 : 223,422.45 = 89,965.90 : x
  2. Step 2: Convert to fraction form
    148,948.30/223,422.45 = 89,965.90/x
  3. Step 3: Cross multiply
    148,948.30x = 223,422.45 × 89,965.90
  4. Step 4: Simplify right side
    148,948.30x = 20,100,401,794.46
  5. Step 5: Solve for x
    x = 20,100,401,794.46/148,948.30
  6. Step 6: Final answer
    x = 134,948.85

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1.5x scale

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.