Home / 195,766.60-293,726.70-71,120.20

Finding the Fourth Proportional to 195,766.60, 293,726.70 and 71,120.20

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Solution

The fourth proportional to 195,766.60, 293,726.70 and 71,120.20 is: 106,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,766.60 : 293,726.70 = 71,120.20 : x
  2. Step 2: Convert to fraction form
    195,766.60/293,726.70 = 71,120.20/x
  3. Step 3: Cross multiply
    195,766.60x = 293,726.70 × 71,120.20
  4. Step 4: Simplify right side
    195,766.60x = 20,889,901,649.34
  5. Step 5: Solve for x
    x = 20,889,901,649.34/195,766.60
  6. Step 6: Final answer
    x = 106,708.20

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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.