Home / 122,442.40-183,469.20-102,613.60

Finding the Fourth Proportional to 122,442.40, 183,469.20 and 102,613.60

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Solution

The fourth proportional to 122,442.40, 183,469.20 and 102,613.60 is: 153,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,442.40 : 183,469.20 = 102,613.60 : x
  2. Step 2: Convert to fraction form
    122,442.40/183,469.20 = 102,613.60/x
  3. Step 3: Cross multiply
    122,442.40x = 183,469.20 × 102,613.60
  4. Step 4: Simplify right side
    122,442.40x = 18,826,435,101.12
  5. Step 5: Solve for x
    x = 18,826,435,101.12/122,442.40
  6. Step 6: Final answer
    x = 153,757.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.