Home / 154,981.20-232,471.80-109,710.30

Finding the Fourth Proportional to 154,981.20, 232,471.80 and 109,710.30

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Solution

The fourth proportional to 154,981.20, 232,471.80 and 109,710.30 is: 164,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,981.20 : 232,471.80 = 109,710.30 : x
  2. Step 2: Convert to fraction form
    154,981.20/232,471.80 = 109,710.30/x
  3. Step 3: Cross multiply
    154,981.20x = 232,471.80 × 109,710.30
  4. Step 4: Simplify right side
    154,981.20x = 25,504,550,919.54
  5. Step 5: Solve for x
    x = 25,504,550,919.54/154,981.20
  6. Step 6: Final answer
    x = 164,565.45

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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.