Home / 140,820.66-194,350.59-80,377.45

Finding the Fourth Proportional to 140,820.66, 194,350.59 and 80,377.45

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Solution

The fourth proportional to 140,820.66, 194,350.59 and 80,377.45 is: 110,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,820.66 : 194,350.59 = 80,377.45 : x
  2. Step 2: Convert to fraction form
    140,820.66/194,350.59 = 80,377.45/x
  3. Step 3: Cross multiply
    140,820.66x = 194,350.59 × 80,377.45
  4. Step 4: Simplify right side
    140,820.66x = 15,621,404,344.32
  5. Step 5: Solve for x
    x = 15,621,404,344.32/140,820.66
  6. Step 6: Final answer
    x = 110,931.20

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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.