Home / 181,252.52-250,121.45-100,685.15

Finding the Fourth Proportional to 181,252.52, 250,121.45 and 100,685.15

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Solution

The fourth proportional to 181,252.52, 250,121.45 and 100,685.15 is: 138,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,252.52 : 250,121.45 = 100,685.15 : x
  2. Step 2: Convert to fraction form
    181,252.52/250,121.45 = 100,685.15/x
  3. Step 3: Cross multiply
    181,252.52x = 250,121.45 × 100,685.15
  4. Step 4: Simplify right side
    181,252.52x = 25,183,515,208.04
  5. Step 5: Solve for x
    x = 25,183,515,208.04/181,252.52
  6. Step 6: Final answer
    x = 138,941.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.