Home / 154,990.65-232,431.30-70,791.15

Finding the Fourth Proportional to 154,990.65, 232,431.30 and 70,791.15

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Solution

The fourth proportional to 154,990.65, 232,431.30 and 70,791.15 is: 106,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,990.65 : 232,431.30 = 70,791.15 : x
  2. Step 2: Convert to fraction form
    154,990.65/232,431.30 = 70,791.15/x
  3. Step 3: Cross multiply
    154,990.65x = 232,431.30 × 70,791.15
  4. Step 4: Simplify right side
    154,990.65x = 16,454,079,023.00
  5. Step 5: Solve for x
    x = 16,454,079,023.00/154,990.65
  6. Step 6: Final answer
    x = 106,161.75

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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.