Home / 132,130.60-198,195.90-121,244.20

Finding the Fourth Proportional to 132,130.60, 198,195.90 and 121,244.20

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Solution

The fourth proportional to 132,130.60, 198,195.90 and 121,244.20 is: 181,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130.60 : 198,195.90 = 121,244.20 : x
  2. Step 2: Convert to fraction form
    132,130.60/198,195.90 = 121,244.20/x
  3. Step 3: Cross multiply
    132,130.60x = 198,195.90 × 121,244.20
  4. Step 4: Simplify right side
    132,130.60x = 24,030,103,338.78
  5. Step 5: Solve for x
    x = 24,030,103,338.78/132,130.60
  6. Step 6: Final answer
    x = 181,866.30

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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.