Home / 155,229.86-233,882.07-140,254.38

Finding the Fourth Proportional to 155,229.86, 233,882.07 and 140,254.38

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Solution

The fourth proportional to 155,229.86, 233,882.07 and 140,254.38 is: 211,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,229.86 : 233,882.07 = 140,254.38 : x
  2. Step 2: Convert to fraction form
    155,229.86/233,882.07 = 140,254.38/x
  3. Step 3: Cross multiply
    155,229.86x = 233,882.07 × 140,254.38
  4. Step 4: Simplify right side
    155,229.86x = 32,802,984,720.97
  5. Step 5: Solve for x
    x = 32,802,984,720.97/155,229.86
  6. Step 6: Final answer
    x = 211,318.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.