Home / 154,695.62-213,080.65-109,294.79

Finding the Fourth Proportional to 154,695.62, 213,080.65 and 109,294.79

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Solution

The fourth proportional to 154,695.62, 213,080.65 and 109,294.79 is: 150,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,695.62 : 213,080.65 = 109,294.79 : x
  2. Step 2: Convert to fraction form
    154,695.62/213,080.65 = 109,294.79/x
  3. Step 3: Cross multiply
    154,695.62x = 213,080.65 × 109,294.79
  4. Step 4: Simplify right side
    154,695.62x = 23,288,605,661.43
  5. Step 5: Solve for x
    x = 23,288,605,661.43/154,695.62
  6. Step 6: Final answer
    x = 150,544.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.