Home / 154,155.88-231,232.62-79,297

Finding the Fourth Proportional to 154,155.88, 231,232.62 and 79,297

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Solution

The fourth proportional to 154,155.88, 231,232.62 and 79,297 is: 118,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,155.88 : 231,232.62 = 79,297 : x
  2. Step 2: Convert to fraction form
    154,155.88/231,232.62 = 79,297/x
  3. Step 3: Cross multiply
    154,155.88x = 231,232.62 × 79,297
  4. Step 4: Simplify right side
    154,155.88x = 18,336,053,068.14
  5. Step 5: Solve for x
    x = 18,336,053,068.14/154,155.88
  6. Step 6: Final answer
    x = 118,944.88

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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.