Home / 181,180.23-250,020.36-100,612.90

Finding the Fourth Proportional to 181,180.23, 250,020.36 and 100,612.90

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Solution

The fourth proportional to 181,180.23, 250,020.36 and 100,612.90 is: 138,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,180.23 : 250,020.36 = 100,612.90 : x
  2. Step 2: Convert to fraction form
    181,180.23/250,020.36 = 100,612.90/x
  3. Step 3: Cross multiply
    181,180.23x = 250,020.36 × 100,612.90
  4. Step 4: Simplify right side
    181,180.23x = 25,155,273,478.64
  5. Step 5: Solve for x
    x = 25,155,273,478.64/181,180.23
  6. Step 6: Final answer
    x = 138,841.16

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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.