Home / 155,727.12-233,516.70-80,772.15

Finding the Fourth Proportional to 155,727.12, 233,516.70 and 80,772.15

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Solution

The fourth proportional to 155,727.12, 233,516.70 and 80,772.15 is: 121,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,727.12 : 233,516.70 = 80,772.15 : x
  2. Step 2: Convert to fraction form
    155,727.12/233,516.70 = 80,772.15/x
  3. Step 3: Cross multiply
    155,727.12x = 233,516.70 × 80,772.15
  4. Step 4: Simplify right side
    155,727.12x = 18,861,645,919.91
  5. Step 5: Solve for x
    x = 18,861,645,919.91/155,727.12
  6. Step 6: Final answer
    x = 121,119.85

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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.