Home / 252,410.28-348,320.61-139,233.03

Finding the Fourth Proportional to 252,410.28, 348,320.61 and 139,233.03

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Solution

The fourth proportional to 252,410.28, 348,320.61 and 139,233.03 is: 192,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,410.28 : 348,320.61 = 139,233.03 : x
  2. Step 2: Convert to fraction form
    252,410.28/348,320.61 = 139,233.03/x
  3. Step 3: Cross multiply
    252,410.28x = 348,320.61 × 139,233.03
  4. Step 4: Simplify right side
    252,410.28x = 48,497,733,941.75
  5. Step 5: Solve for x
    x = 48,497,733,941.75/252,410.28
  6. Step 6: Final answer
    x = 192,138.51

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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.