Home / 132,080.40-198,047.70-43,288.20

Finding the Fourth Proportional to 132,080.40, 198,047.70 and 43,288.20

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Solution

The fourth proportional to 132,080.40, 198,047.70 and 43,288.20 is: 64,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.40 : 198,047.70 = 43,288.20 : x
  2. Step 2: Convert to fraction form
    132,080.40/198,047.70 = 43,288.20/x
  3. Step 3: Cross multiply
    132,080.40x = 198,047.70 × 43,288.20
  4. Step 4: Simplify right side
    132,080.40x = 8,573,128,447.14
  5. Step 5: Solve for x
    x = 8,573,128,447.14/132,080.40
  6. Step 6: Final answer
    x = 64,908.41

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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.