Home / 252,939.54-349,057.47-138,218.18

Finding the Fourth Proportional to 252,939.54, 349,057.47 and 138,218.18

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Solution

The fourth proportional to 252,939.54, 349,057.47 and 138,218.18 is: 190,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939.54 : 349,057.47 = 138,218.18 : x
  2. Step 2: Convert to fraction form
    252,939.54/349,057.47 = 138,218.18/x
  3. Step 3: Cross multiply
    252,939.54x = 349,057.47 × 138,218.18
  4. Step 4: Simplify right side
    252,939.54x = 48,246,088,218.80
  5. Step 5: Solve for x
    x = 48,246,088,218.80/252,939.54
  6. Step 6: Final answer
    x = 190,741.58

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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.