Home / 252,503.48-348,465.12-145,107.20

Finding the Fourth Proportional to 252,503.48, 348,465.12 and 145,107.20

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Solution

The fourth proportional to 252,503.48, 348,465.12 and 145,107.20 is: 200,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,503.48 : 348,465.12 = 145,107.20 : x
  2. Step 2: Convert to fraction form
    252,503.48/348,465.12 = 145,107.20/x
  3. Step 3: Cross multiply
    252,503.48x = 348,465.12 × 145,107.20
  4. Step 4: Simplify right side
    252,503.48x = 50,564,797,860.86
  5. Step 5: Solve for x
    x = 50,564,797,860.86/252,503.48
  6. Step 6: Final answer
    x = 200,253.87

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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.