Home / 121,682.20-182,523.30-88,245.40

Finding the Fourth Proportional to 121,682.20, 182,523.30 and 88,245.40

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Solution

The fourth proportional to 121,682.20, 182,523.30 and 88,245.40 is: 132,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,682.20 : 182,523.30 = 88,245.40 : x
  2. Step 2: Convert to fraction form
    121,682.20/182,523.30 = 88,245.40/x
  3. Step 3: Cross multiply
    121,682.20x = 182,523.30 × 88,245.40
  4. Step 4: Simplify right side
    121,682.20x = 16,106,841,617.82
  5. Step 5: Solve for x
    x = 16,106,841,617.82/121,682.20
  6. Step 6: Final answer
    x = 132,368.10

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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.