Home / 252,726.30-348,776.46-138,015.60

Finding the Fourth Proportional to 252,726.30, 348,776.46 and 138,015.60

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Solution

The fourth proportional to 252,726.30, 348,776.46 and 138,015.60 is: 190,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,726.30 : 348,776.46 = 138,015.60 : x
  2. Step 2: Convert to fraction form
    252,726.30/348,776.46 = 138,015.60/x
  3. Step 3: Cross multiply
    252,726.30x = 348,776.46 × 138,015.60
  4. Step 4: Simplify right side
    252,726.30x = 48,136,592,392.78
  5. Step 5: Solve for x
    x = 48,136,592,392.78/252,726.30
  6. Step 6: Final answer
    x = 190,469.26

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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.