Home / 154,976.80-232,131.12-104,781.28

Finding the Fourth Proportional to 154,976.80, 232,131.12 and 104,781.28

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Solution

The fourth proportional to 154,976.80, 232,131.12 and 104,781.28 is: 156,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,976.80 : 232,131.12 = 104,781.28 : x
  2. Step 2: Convert to fraction form
    154,976.80/232,131.12 = 104,781.28/x
  3. Step 3: Cross multiply
    154,976.80x = 232,131.12 × 104,781.28
  4. Step 4: Simplify right side
    154,976.80x = 24,322,995,881.43
  5. Step 5: Solve for x
    x = 24,322,995,881.43/154,976.80
  6. Step 6: Final answer
    x = 156,946.05

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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.