Home / 252,670.14-348,685.28-137,948.78

Finding the Fourth Proportional to 252,670.14, 348,685.28 and 137,948.78

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Solution

The fourth proportional to 252,670.14, 348,685.28 and 137,948.78 is: 190,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,670.14 : 348,685.28 = 137,948.78 : x
  2. Step 2: Convert to fraction form
    252,670.14/348,685.28 = 137,948.78/x
  3. Step 3: Cross multiply
    252,670.14x = 348,685.28 × 137,948.78
  4. Step 4: Simplify right side
    252,670.14x = 48,100,708,979.96
  5. Step 5: Solve for x
    x = 48,100,708,979.96/252,670.14
  6. Step 6: Final answer
    x = 190,369.58

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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.