Home / 169,449.30-233,648.28-108,113.40

Finding the Fourth Proportional to 169,449.30, 233,648.28 and 108,113.40

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Solution

The fourth proportional to 169,449.30, 233,648.28 and 108,113.40 is: 149,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,449.30 : 233,648.28 = 108,113.40 : x
  2. Step 2: Convert to fraction form
    169,449.30/233,648.28 = 108,113.40/x
  3. Step 3: Cross multiply
    169,449.30x = 233,648.28 × 108,113.40
  4. Step 4: Simplify right side
    169,449.30x = 25,260,509,954.95
  5. Step 5: Solve for x
    x = 25,260,509,954.95/169,449.30
  6. Step 6: Final answer
    x = 149,074.15

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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.