Home / 140,708.04-194,159.04-80,275.20

Finding the Fourth Proportional to 140,708.04, 194,159.04 and 80,275.20

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Solution

The fourth proportional to 140,708.04, 194,159.04 and 80,275.20 is: 110,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.04 : 194,159.04 = 80,275.20 : x
  2. Step 2: Convert to fraction form
    140,708.04/194,159.04 = 80,275.20/x
  3. Step 3: Cross multiply
    140,708.04x = 194,159.04 × 80,275.20
  4. Step 4: Simplify right side
    140,708.04x = 15,586,155,767.81
  5. Step 5: Solve for x
    x = 15,586,155,767.81/140,708.04
  6. Step 6: Final answer
    x = 110,769.48

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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.