Home / 129,680.04-194,464.96-50,781.72

Finding the Fourth Proportional to 129,680.04, 194,464.96 and 50,781.72

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Solution

The fourth proportional to 129,680.04, 194,464.96 and 50,781.72 is: 76,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,680.04 : 194,464.96 = 50,781.72 : x
  2. Step 2: Convert to fraction form
    129,680.04/194,464.96 = 50,781.72/x
  3. Step 3: Cross multiply
    129,680.04x = 194,464.96 × 50,781.72
  4. Step 4: Simplify right side
    129,680.04x = 9,875,265,148.53
  5. Step 5: Solve for x
    x = 9,875,265,148.53/129,680.04
  6. Step 6: Final answer
    x = 76,151.00

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1.5x scale

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.