Home / 252,419.49-348,340.10-139,242.24

Finding the Fourth Proportional to 252,419.49, 348,340.10 and 139,242.24

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Solution

The fourth proportional to 252,419.49, 348,340.10 and 139,242.24 is: 192,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,419.49 : 348,340.10 = 139,242.24 : x
  2. Step 2: Convert to fraction form
    252,419.49/348,340.10 = 139,242.24/x
  3. Step 3: Cross multiply
    252,419.49x = 348,340.10 × 139,242.24
  4. Step 4: Simplify right side
    252,419.49x = 48,503,655,109.61
  5. Step 5: Solve for x
    x = 48,503,655,109.61/252,419.49
  6. Step 6: Final answer
    x = 192,154.95

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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.