Home / 154,053.42-231,066.78-109,267.32

Finding the Fourth Proportional to 154,053.42, 231,066.78 and 109,267.32

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Solution

The fourth proportional to 154,053.42, 231,066.78 and 109,267.32 is: 163,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,053.42 : 231,066.78 = 109,267.32 : x
  2. Step 2: Convert to fraction form
    154,053.42/231,066.78 = 109,267.32/x
  3. Step 3: Cross multiply
    154,053.42x = 231,066.78 × 109,267.32
  4. Step 4: Simplify right side
    154,053.42x = 25,248,047,791.63
  5. Step 5: Solve for x
    x = 25,248,047,791.63/154,053.42
  6. Step 6: Final answer
    x = 163,891.51

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1.5x scale

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.