Home / 252,745.18-348,781.65-138,026.90

Finding the Fourth Proportional to 252,745.18, 348,781.65 and 138,026.90

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Solution

The fourth proportional to 252,745.18, 348,781.65 and 138,026.90 is: 190,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,745.18 : 348,781.65 = 138,026.90 : x
  2. Step 2: Convert to fraction form
    252,745.18/348,781.65 = 138,026.90/x
  3. Step 3: Cross multiply
    252,745.18x = 348,781.65 × 138,026.90
  4. Step 4: Simplify right side
    252,745.18x = 48,141,250,280.74
  5. Step 5: Solve for x
    x = 48,141,250,280.74/252,745.18
  6. Step 6: Final answer
    x = 190,473.47

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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.