Home / 127,769.04-176,309.84-71,179.20

Finding the Fourth Proportional to 127,769.04, 176,309.84 and 71,179.20

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Solution

The fourth proportional to 127,769.04, 176,309.84 and 71,179.20 is: 98,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769.04 : 176,309.84 = 71,179.20 : x
  2. Step 2: Convert to fraction form
    127,769.04/176,309.84 = 71,179.20/x
  3. Step 3: Cross multiply
    127,769.04x = 176,309.84 × 71,179.20
  4. Step 4: Simplify right side
    127,769.04x = 12,549,593,363.33
  5. Step 5: Solve for x
    x = 12,549,593,363.33/127,769.04
  6. Step 6: Final answer
    x = 98,220.93

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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.