Home / 154,669.20-232,003.80-105,517.20

Finding the Fourth Proportional to 154,669.20, 232,003.80 and 105,517.20

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Solution

The fourth proportional to 154,669.20, 232,003.80 and 105,517.20 is: 158,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,669.20 : 232,003.80 = 105,517.20 : x
  2. Step 2: Convert to fraction form
    154,669.20/232,003.80 = 105,517.20/x
  3. Step 3: Cross multiply
    154,669.20x = 232,003.80 × 105,517.20
  4. Step 4: Simplify right side
    154,669.20x = 24,480,391,365.36
  5. Step 5: Solve for x
    x = 24,480,391,365.36/154,669.20
  6. Step 6: Final answer
    x = 158,275.80

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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.