Home / 112,458.10-155,166.60-67,150.75

Finding the Fourth Proportional to 112,458.10, 155,166.60 and 67,150.75

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Solution

The fourth proportional to 112,458.10, 155,166.60 and 67,150.75 is: 92,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.10 : 155,166.60 = 67,150.75 : x
  2. Step 2: Convert to fraction form
    112,458.10/155,166.60 = 67,150.75/x
  3. Step 3: Cross multiply
    112,458.10x = 155,166.60 × 67,150.75
  4. Step 4: Simplify right side
    112,458.10x = 10,419,553,564.95
  5. Step 5: Solve for x
    x = 10,419,553,564.95/112,458.10
  6. Step 6: Final answer
    x = 92,652.76

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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.