Home / 252,943.32-349,062.70-138,221.97

Finding the Fourth Proportional to 252,943.32, 349,062.70 and 138,221.97

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Solution

The fourth proportional to 252,943.32, 349,062.70 and 138,221.97 is: 190,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,943.32 : 349,062.70 = 138,221.97 : x
  2. Step 2: Convert to fraction form
    252,943.32/349,062.70 = 138,221.97/x
  3. Step 3: Cross multiply
    252,943.32x = 349,062.70 × 138,221.97
  4. Step 4: Simplify right side
    252,943.32x = 48,248,133,701.96
  5. Step 5: Solve for x
    x = 48,248,133,701.96/252,943.32
  6. Step 6: Final answer
    x = 190,746.82

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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.