Home / 132,080.40-197,602.20-119,638.80

Finding the Fourth Proportional to 132,080.40, 197,602.20 and 119,638.80

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Solution

The fourth proportional to 132,080.40, 197,602.20 and 119,638.80 is: 178,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.40 : 197,602.20 = 119,638.80 : x
  2. Step 2: Convert to fraction form
    132,080.40/197,602.20 = 119,638.80/x
  3. Step 3: Cross multiply
    132,080.40x = 197,602.20 × 119,638.80
  4. Step 4: Simplify right side
    132,080.40x = 23,640,890,085.36
  5. Step 5: Solve for x
    x = 23,640,890,085.36/132,080.40
  6. Step 6: Final answer
    x = 178,988.63

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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.