Home / 112,650.90-155,447.60-67,319.85

Finding the Fourth Proportional to 112,650.90, 155,447.60 and 67,319.85

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Solution

The fourth proportional to 112,650.90, 155,447.60 and 67,319.85 is: 92,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650.90 : 155,447.60 = 67,319.85 : x
  2. Step 2: Convert to fraction form
    112,650.90/155,447.60 = 67,319.85/x
  3. Step 3: Cross multiply
    112,650.90x = 155,447.60 × 67,319.85
  4. Step 4: Simplify right side
    112,650.90x = 10,464,709,671.78
  5. Step 5: Solve for x
    x = 10,464,709,671.78/112,650.90
  6. Step 6: Final answer
    x = 92,895.04

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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.