Home / 88,231.68-121,810.38-58,104.48

Finding the Fourth Proportional to 88,231.68, 121,810.38 and 58,104.48

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Solution

The fourth proportional to 88,231.68, 121,810.38 and 58,104.48 is: 80,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.68 : 121,810.38 = 58,104.48 : x
  2. Step 2: Convert to fraction form
    88,231.68/121,810.38 = 58,104.48/x
  3. Step 3: Cross multiply
    88,231.68x = 121,810.38 × 58,104.48
  4. Step 4: Simplify right side
    88,231.68x = 7,077,728,788.50
  5. Step 5: Solve for x
    x = 7,077,728,788.50/88,231.68
  6. Step 6: Final answer
    x = 80,217.55

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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.