Home / 252,138.60-348,010.56-156,717.36

Finding the Fourth Proportional to 252,138.60, 348,010.56 and 156,717.36

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Solution

The fourth proportional to 252,138.60, 348,010.56 and 156,717.36 is: 216,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,138.60 : 348,010.56 = 156,717.36 : x
  2. Step 2: Convert to fraction form
    252,138.60/348,010.56 = 156,717.36/x
  3. Step 3: Cross multiply
    252,138.60x = 348,010.56 × 156,717.36
  4. Step 4: Simplify right side
    252,138.60x = 54,539,296,215.32
  5. Step 5: Solve for x
    x = 54,539,296,215.32/252,138.60
  6. Step 6: Final answer
    x = 216,306.81

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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.