Home / 132,341.60-198,512.40-43,608.80

Finding the Fourth Proportional to 132,341.60, 198,512.40 and 43,608.80

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Solution

The fourth proportional to 132,341.60, 198,512.40 and 43,608.80 is: 65,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.60 : 198,512.40 = 43,608.80 : x
  2. Step 2: Convert to fraction form
    132,341.60/198,512.40 = 43,608.80/x
  3. Step 3: Cross multiply
    132,341.60x = 198,512.40 × 43,608.80
  4. Step 4: Simplify right side
    132,341.60x = 8,656,887,549.12
  5. Step 5: Solve for x
    x = 8,656,887,549.12/132,341.60
  6. Step 6: Final answer
    x = 65,413.20

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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.