Home / 132,084.90-198,120.39-43,326.72

Finding the Fourth Proportional to 132,084.90, 198,120.39 and 43,326.72

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Solution

The fourth proportional to 132,084.90, 198,120.39 and 43,326.72 is: 64,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,084.90 : 198,120.39 = 43,326.72 : x
  2. Step 2: Convert to fraction form
    132,084.90/198,120.39 = 43,326.72/x
  3. Step 3: Cross multiply
    132,084.90x = 198,120.39 × 43,326.72
  4. Step 4: Simplify right side
    132,084.90x = 8,583,906,663.82
  5. Step 5: Solve for x
    x = 8,583,906,663.82/132,084.90
  6. Step 6: Final answer
    x = 64,987.80

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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.