Home / 112,781.46-155,627.01-67,450.44

Finding the Fourth Proportional to 112,781.46, 155,627.01 and 67,450.44

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Solution

The fourth proportional to 112,781.46, 155,627.01 and 67,450.44 is: 93,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,781.46 : 155,627.01 = 67,450.44 : x
  2. Step 2: Convert to fraction form
    112,781.46/155,627.01 = 67,450.44/x
  3. Step 3: Cross multiply
    112,781.46x = 155,627.01 × 67,450.44
  4. Step 4: Simplify right side
    112,781.46x = 10,497,110,300.38
  5. Step 5: Solve for x
    x = 10,497,110,300.38/112,781.46
  6. Step 6: Final answer
    x = 93,074.79

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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.