Home / 451,718.30-677,677.68-136,152.43

Finding the Fourth Proportional to 451,718.30, 677,677.68 and 136,152.43

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Solution

The fourth proportional to 451,718.30, 677,677.68 and 136,152.43 is: 204,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,718.30 : 677,677.68 = 136,152.43 : x
  2. Step 2: Convert to fraction form
    451,718.30/677,677.68 = 136,152.43/x
  3. Step 3: Cross multiply
    451,718.30x = 677,677.68 × 136,152.43
  4. Step 4: Simplify right side
    451,718.30x = 92,267,461,194.57
  5. Step 5: Solve for x
    x = 92,267,461,194.57/451,718.30
  6. Step 6: Final answer
    x = 204,258.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.