Home / 252,319.20-348,199.33-139,141.95

Finding the Fourth Proportional to 252,319.20, 348,199.33 and 139,141.95

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Solution

The fourth proportional to 252,319.20, 348,199.33 and 139,141.95 is: 192,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,319.20 : 348,199.33 = 139,141.95 : x
  2. Step 2: Convert to fraction form
    252,319.20/348,199.33 = 139,141.95/x
  3. Step 3: Cross multiply
    252,319.20x = 348,199.33 × 139,141.95
  4. Step 4: Simplify right side
    252,319.20x = 48,449,134,722.14
  5. Step 5: Solve for x
    x = 48,449,134,722.14/252,319.20
  6. Step 6: Final answer
    x = 192,015.25

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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.