Home / 112,046.94-154,613.80-66,715.90

Finding the Fourth Proportional to 112,046.94, 154,613.80 and 66,715.90

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Solution

The fourth proportional to 112,046.94, 154,613.80 and 66,715.90 is: 92,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,046.94 : 154,613.80 = 66,715.90 : x
  2. Step 2: Convert to fraction form
    112,046.94/154,613.80 = 66,715.90/x
  3. Step 3: Cross multiply
    112,046.94x = 154,613.80 × 66,715.90
  4. Step 4: Simplify right side
    112,046.94x = 10,315,198,819.42
  5. Step 5: Solve for x
    x = 10,315,198,819.42/112,046.94
  6. Step 6: Final answer
    x = 92,061.41

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1.5x scale

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.