Home / 129,475.68-194,207.04-40,727.22

Finding the Fourth Proportional to 129,475.68, 194,207.04 and 40,727.22

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Solution

The fourth proportional to 129,475.68, 194,207.04 and 40,727.22 is: 61,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,475.68 : 194,207.04 = 40,727.22 : x
  2. Step 2: Convert to fraction form
    129,475.68/194,207.04 = 40,727.22/x
  3. Step 3: Cross multiply
    129,475.68x = 194,207.04 × 40,727.22
  4. Step 4: Simplify right side
    129,475.68x = 7,909,512,843.63
  5. Step 5: Solve for x
    x = 7,909,512,843.63/129,475.68
  6. Step 6: Final answer
    x = 61,088.79

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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.