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Finding the Fourth Proportional to 181,570.68, 250,573.77 and 99,902.43

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Solution

The fourth proportional to 181,570.68, 250,573.77 and 99,902.43 is: 137,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,570.68 : 250,573.77 = 99,902.43 : x
  2. Step 2: Convert to fraction form
    181,570.68/250,573.77 = 99,902.43/x
  3. Step 3: Cross multiply
    181,570.68x = 250,573.77 × 99,902.43
  4. Step 4: Simplify right side
    181,570.68x = 25,032,928,517.26
  5. Step 5: Solve for x
    x = 25,032,928,517.26/181,570.68
  6. Step 6: Final answer
    x = 137,868.78

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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.