Home / 252,721.29-348,769.56-138,010.58

Finding the Fourth Proportional to 252,721.29, 348,769.56 and 138,010.58

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Solution

The fourth proportional to 252,721.29, 348,769.56 and 138,010.58 is: 190,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,721.29 : 348,769.56 = 138,010.58 : x
  2. Step 2: Convert to fraction form
    252,721.29/348,769.56 = 138,010.58/x
  3. Step 3: Cross multiply
    252,721.29x = 348,769.56 × 138,010.58
  4. Step 4: Simplify right side
    252,721.29x = 48,133,889,261.94
  5. Step 5: Solve for x
    x = 48,133,889,261.94/252,721.29
  6. Step 6: Final answer
    x = 190,462.34

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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.