Home / 127,701.05-176,200.56-73,982.85

Finding the Fourth Proportional to 127,701.05, 176,200.56 and 73,982.85

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Solution

The fourth proportional to 127,701.05, 176,200.56 and 73,982.85 is: 102,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.05 : 176,200.56 = 73,982.85 : x
  2. Step 2: Convert to fraction form
    127,701.05/176,200.56 = 73,982.85/x
  3. Step 3: Cross multiply
    127,701.05x = 176,200.56 × 73,982.85
  4. Step 4: Simplify right side
    127,701.05x = 13,035,819,600.40
  5. Step 5: Solve for x
    x = 13,035,819,600.40/127,701.05
  6. Step 6: Final answer
    x = 102,080.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.