Home / 112,630.70-155,414.98-67,299.11

Finding the Fourth Proportional to 112,630.70, 155,414.98 and 67,299.11

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Solution

The fourth proportional to 112,630.70, 155,414.98 and 67,299.11 is: 92,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,630.70 : 155,414.98 = 67,299.11 : x
  2. Step 2: Convert to fraction form
    112,630.70/155,414.98 = 67,299.11/x
  3. Step 3: Cross multiply
    112,630.70x = 155,414.98 × 67,299.11
  4. Step 4: Simplify right side
    112,630.70x = 10,459,289,834.67
  5. Step 5: Solve for x
    x = 10,459,289,834.67/112,630.70
  6. Step 6: Final answer
    x = 92,863.58

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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.