Home / 132,092.80-198,139.20-118,729.60

Finding the Fourth Proportional to 132,092.80, 198,139.20 and 118,729.60

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Solution

The fourth proportional to 132,092.80, 198,139.20 and 118,729.60 is: 178,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092.80 : 198,139.20 = 118,729.60 : x
  2. Step 2: Convert to fraction form
    132,092.80/198,139.20 = 118,729.60/x
  3. Step 3: Cross multiply
    132,092.80x = 198,139.20 × 118,729.60
  4. Step 4: Simplify right side
    132,092.80x = 23,524,987,960.32
  5. Step 5: Solve for x
    x = 23,524,987,960.32/132,092.80
  6. Step 6: Final answer
    x = 178,094.40

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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.