Home / 127,766.60-176,319.09-70,407.97

Finding the Fourth Proportional to 127,766.60, 176,319.09 and 70,407.97

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Solution

The fourth proportional to 127,766.60, 176,319.09 and 70,407.97 is: 97,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,766.60 : 176,319.09 = 70,407.97 : x
  2. Step 2: Convert to fraction form
    127,766.60/176,319.09 = 70,407.97/x
  3. Step 3: Cross multiply
    127,766.60x = 176,319.09 × 70,407.97
  4. Step 4: Simplify right side
    127,766.60x = 12,414,269,199.15
  5. Step 5: Solve for x
    x = 12,414,269,199.15/127,766.60
  6. Step 6: Final answer
    x = 97,163.65

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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.