Home / 84,127.60-126,188.67-34,194.29

Finding the Fourth Proportional to 84,127.60, 126,188.67 and 34,194.29

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Solution

The fourth proportional to 84,127.60, 126,188.67 and 34,194.29 is: 51,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.60 : 126,188.67 = 34,194.29 : x
  2. Step 2: Convert to fraction form
    84,127.60/126,188.67 = 34,194.29/x
  3. Step 3: Cross multiply
    84,127.60x = 126,188.67 × 34,194.29
  4. Step 4: Simplify right side
    84,127.60x = 4,314,931,976.69
  5. Step 5: Solve for x
    x = 4,314,931,976.69/84,127.60
  6. Step 6: Final answer
    x = 51,290.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.