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Finding the Fourth Proportional to 181,180.02, 250,020 and 100,612.64

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Solution

The fourth proportional to 181,180.02, 250,020 and 100,612.64 is: 138,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,180.02 : 250,020 = 100,612.64 : x
  2. Step 2: Convert to fraction form
    181,180.02/250,020 = 100,612.64/x
  3. Step 3: Cross multiply
    181,180.02x = 250,020 × 100,612.64
  4. Step 4: Simplify right side
    181,180.02x = 25,155,172,252.80
  5. Step 5: Solve for x
    x = 25,155,172,252.80/181,180.02
  6. Step 6: Final answer
    x = 138,840.76

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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.