Home / 127,672.75-176,189.61-71,085.34

Finding the Fourth Proportional to 127,672.75, 176,189.61 and 71,085.34

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Solution

The fourth proportional to 127,672.75, 176,189.61 and 71,085.34 is: 98,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,672.75 : 176,189.61 = 71,085.34 : x
  2. Step 2: Convert to fraction form
    127,672.75/176,189.61 = 71,085.34/x
  3. Step 3: Cross multiply
    127,672.75x = 176,189.61 × 71,085.34
  4. Step 4: Simplify right side
    127,672.75x = 12,524,498,331.32
  5. Step 5: Solve for x
    x = 12,524,498,331.32/127,672.75
  6. Step 6: Final answer
    x = 98,098.45

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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.