Home / 141,291.92-195,016.34-80,897.31

Finding the Fourth Proportional to 141,291.92, 195,016.34 and 80,897.31

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Solution

The fourth proportional to 141,291.92, 195,016.34 and 80,897.31 is: 111,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,291.92 : 195,016.34 = 80,897.31 : x
  2. Step 2: Convert to fraction form
    141,291.92/195,016.34 = 80,897.31/x
  3. Step 3: Cross multiply
    141,291.92x = 195,016.34 × 80,897.31
  4. Step 4: Simplify right side
    141,291.92x = 15,776,297,312.05
  5. Step 5: Solve for x
    x = 15,776,297,312.05/141,291.92
  6. Step 6: Final answer
    x = 111,657.46

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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.