Home / 252,835.36-348,904.87-138,112.16

Finding the Fourth Proportional to 252,835.36, 348,904.87 and 138,112.16

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Solution

The fourth proportional to 252,835.36, 348,904.87 and 138,112.16 is: 190,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,835.36 : 348,904.87 = 138,112.16 : x
  2. Step 2: Convert to fraction form
    252,835.36/348,904.87 = 138,112.16/x
  3. Step 3: Cross multiply
    252,835.36x = 348,904.87 × 138,112.16
  4. Step 4: Simplify right side
    252,835.36x = 48,188,003,140.41
  5. Step 5: Solve for x
    x = 48,188,003,140.41/252,835.36
  6. Step 6: Final answer
    x = 190,590.44

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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.