Home / 129,275.79-193,908.05-40,527.27

Finding the Fourth Proportional to 129,275.79, 193,908.05 and 40,527.27

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Solution

The fourth proportional to 129,275.79, 193,908.05 and 40,527.27 is: 60,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,275.79 : 193,908.05 = 40,527.27 : x
  2. Step 2: Convert to fraction form
    129,275.79/193,908.05 = 40,527.27/x
  3. Step 3: Cross multiply
    129,275.79x = 193,908.05 × 40,527.27
  4. Step 4: Simplify right side
    129,275.79x = 7,858,563,694.89
  5. Step 5: Solve for x
    x = 7,858,563,694.89/129,275.79
  6. Step 6: Final answer
    x = 60,789.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.