Home / 158,752.20-219,083.22-90,744.60

Finding the Fourth Proportional to 158,752.20, 219,083.22 and 90,744.60

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Solution

The fourth proportional to 158,752.20, 219,083.22 and 90,744.60 is: 125,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,752.20 : 219,083.22 = 90,744.60 : x
  2. Step 2: Convert to fraction form
    158,752.20/219,083.22 = 90,744.60/x
  3. Step 3: Cross multiply
    158,752.20x = 219,083.22 × 90,744.60
  4. Step 4: Simplify right side
    158,752.20x = 19,880,619,165.61
  5. Step 5: Solve for x
    x = 19,880,619,165.61/158,752.20
  6. Step 6: Final answer
    x = 125,230.51

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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.