Home / 132,098.40-198,140.64-43,340.22

Finding the Fourth Proportional to 132,098.40, 198,140.64 and 43,340.22

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Solution

The fourth proportional to 132,098.40, 198,140.64 and 43,340.22 is: 65,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098.40 : 198,140.64 = 43,340.22 : x
  2. Step 2: Convert to fraction form
    132,098.40/198,140.64 = 43,340.22/x
  3. Step 3: Cross multiply
    132,098.40x = 198,140.64 × 43,340.22
  4. Step 4: Simplify right side
    132,098.40x = 8,587,458,928.54
  5. Step 5: Solve for x
    x = 8,587,458,928.54/132,098.40
  6. Step 6: Final answer
    x = 65,008.05

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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.