Home / 127,959.12-176,591.61-71,370.36

Finding the Fourth Proportional to 127,959.12, 176,591.61 and 71,370.36

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Solution

The fourth proportional to 127,959.12, 176,591.61 and 71,370.36 is: 98,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,959.12 : 176,591.61 = 71,370.36 : x
  2. Step 2: Convert to fraction form
    127,959.12/176,591.61 = 71,370.36/x
  3. Step 3: Cross multiply
    127,959.12x = 176,591.61 × 71,370.36
  4. Step 4: Simplify right side
    127,959.12x = 12,603,406,778.68
  5. Step 5: Solve for x
    x = 12,603,406,778.68/127,959.12
  6. Step 6: Final answer
    x = 98,495.57

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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.