Home / 121,822.20-182,733.30-88,385.40

Finding the Fourth Proportional to 121,822.20, 182,733.30 and 88,385.40

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Solution

The fourth proportional to 121,822.20, 182,733.30 and 88,385.40 is: 132,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,822.20 : 182,733.30 = 88,385.40 : x
  2. Step 2: Convert to fraction form
    121,822.20/182,733.30 = 88,385.40/x
  3. Step 3: Cross multiply
    121,822.20x = 182,733.30 × 88,385.40
  4. Step 4: Simplify right side
    121,822.20x = 16,150,955,813.82
  5. Step 5: Solve for x
    x = 16,150,955,813.82/121,822.20
  6. Step 6: Final answer
    x = 132,578.10

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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.