Home / 121,648.32-182,498.85-68,393.25

Finding the Fourth Proportional to 121,648.32, 182,498.85 and 68,393.25

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Solution

The fourth proportional to 121,648.32, 182,498.85 and 68,393.25 is: 102,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,648.32 : 182,498.85 = 68,393.25 : x
  2. Step 2: Convert to fraction form
    121,648.32/182,498.85 = 68,393.25/x
  3. Step 3: Cross multiply
    121,648.32x = 182,498.85 × 68,393.25
  4. Step 4: Simplify right side
    121,648.32x = 12,481,689,472.76
  5. Step 5: Solve for x
    x = 12,481,689,472.76/121,648.32
  6. Step 6: Final answer
    x = 102,604.70

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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.