Home / 252,712.41-348,757.33-138,001.72

Finding the Fourth Proportional to 252,712.41, 348,757.33 and 138,001.72

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Solution

The fourth proportional to 252,712.41, 348,757.33 and 138,001.72 is: 190,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,712.41 : 348,757.33 = 138,001.72 : x
  2. Step 2: Convert to fraction form
    252,712.41/348,757.33 = 138,001.72/x
  3. Step 3: Cross multiply
    252,712.41x = 348,757.33 × 138,001.72
  4. Step 4: Simplify right side
    252,712.41x = 48,129,110,185.71
  5. Step 5: Solve for x
    x = 48,129,110,185.71/252,712.41
  6. Step 6: Final answer
    x = 190,450.13

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1.5x scale

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.