Home / 112,485.60-155,217.84-62,174.88

Finding the Fourth Proportional to 112,485.60, 155,217.84 and 62,174.88

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Solution

The fourth proportional to 112,485.60, 155,217.84 and 62,174.88 is: 85,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,485.60 : 155,217.84 = 62,174.88 : x
  2. Step 2: Convert to fraction form
    112,485.60/155,217.84 = 62,174.88/x
  3. Step 3: Cross multiply
    112,485.60x = 155,217.84 × 62,174.88
  4. Step 4: Simplify right side
    112,485.60x = 9,650,650,575.86
  5. Step 5: Solve for x
    x = 9,650,650,575.86/112,485.60
  6. Step 6: Final answer
    x = 85,794.54

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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.