Home / 87,941.40-131,912.10-64,613.40

Finding the Fourth Proportional to 87,941.40, 131,912.10 and 64,613.40

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Solution

The fourth proportional to 87,941.40, 131,912.10 and 64,613.40 is: 96,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.40 : 131,912.10 = 64,613.40 : x
  2. Step 2: Convert to fraction form
    87,941.40/131,912.10 = 64,613.40/x
  3. Step 3: Cross multiply
    87,941.40x = 131,912.10 × 64,613.40
  4. Step 4: Simplify right side
    87,941.40x = 8,523,289,282.14
  5. Step 5: Solve for x
    x = 8,523,289,282.14/87,941.40
  6. Step 6: Final answer
    x = 96,920.10

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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.