Home / 140,764.69-194,258.43-80,334.13

Finding the Fourth Proportional to 140,764.69, 194,258.43 and 80,334.13

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Solution

The fourth proportional to 140,764.69, 194,258.43 and 80,334.13 is: 110,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,764.69 : 194,258.43 = 80,334.13 : x
  2. Step 2: Convert to fraction form
    140,764.69/194,258.43 = 80,334.13/x
  3. Step 3: Cross multiply
    140,764.69x = 194,258.43 × 80,334.13
  4. Step 4: Simplify right side
    140,764.69x = 15,605,581,969.22
  5. Step 5: Solve for x
    x = 15,605,581,969.22/140,764.69
  6. Step 6: Final answer
    x = 110,862.90

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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.