Home / 132,330.60-198,495.90-121,444.20

Finding the Fourth Proportional to 132,330.60, 198,495.90 and 121,444.20

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Solution

The fourth proportional to 132,330.60, 198,495.90 and 121,444.20 is: 182,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,330.60 : 198,495.90 = 121,444.20 : x
  2. Step 2: Convert to fraction form
    132,330.60/198,495.90 = 121,444.20/x
  3. Step 3: Cross multiply
    132,330.60x = 198,495.90 × 121,444.20
  4. Step 4: Simplify right side
    132,330.60x = 24,106,175,778.78
  5. Step 5: Solve for x
    x = 24,106,175,778.78/132,330.60
  6. Step 6: Final answer
    x = 182,166.30

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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.