Home / 127,722.20-176,262.08-71,133.56

Finding the Fourth Proportional to 127,722.20, 176,262.08 and 71,133.56

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Solution

The fourth proportional to 127,722.20, 176,262.08 and 71,133.56 is: 98,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.20 : 176,262.08 = 71,133.56 : x
  2. Step 2: Convert to fraction form
    127,722.20/176,262.08 = 71,133.56/x
  3. Step 3: Cross multiply
    127,722.20x = 176,262.08 × 71,133.56
  4. Step 4: Simplify right side
    127,722.20x = 12,538,149,243.40
  5. Step 5: Solve for x
    x = 12,538,149,243.40/127,722.20
  6. Step 6: Final answer
    x = 98,167.34

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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.