Home / 140,756.69-194,247.38-80,326.13

Finding the Fourth Proportional to 140,756.69, 194,247.38 and 80,326.13

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Solution

The fourth proportional to 140,756.69, 194,247.38 and 80,326.13 is: 110,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,756.69 : 194,247.38 = 80,326.13 : x
  2. Step 2: Convert to fraction form
    140,756.69/194,247.38 = 80,326.13/x
  3. Step 3: Cross multiply
    140,756.69x = 194,247.38 × 80,326.13
  4. Step 4: Simplify right side
    140,756.69x = 15,603,140,298.04
  5. Step 5: Solve for x
    x = 15,603,140,298.04/140,756.69
  6. Step 6: Final answer
    x = 110,851.86

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1.5x scale

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.