Home / 182,278.63-251,538.60-99,489.43

Finding the Fourth Proportional to 182,278.63, 251,538.60 and 99,489.43

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Solution

The fourth proportional to 182,278.63, 251,538.60 and 99,489.43 is: 137,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,278.63 : 251,538.60 = 99,489.43 : x
  2. Step 2: Convert to fraction form
    182,278.63/251,538.60 = 99,489.43/x
  3. Step 3: Cross multiply
    182,278.63x = 251,538.60 × 99,489.43
  4. Step 4: Simplify right side
    182,278.63x = 25,025,431,937.00
  5. Step 5: Solve for x
    x = 25,025,431,937.00/182,278.63
  6. Step 6: Final answer
    x = 137,292.19

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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.