Home / 154,106.66-231,226.77-54,338.12

Finding the Fourth Proportional to 154,106.66, 231,226.77 and 54,338.12

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Solution

The fourth proportional to 154,106.66, 231,226.77 and 54,338.12 is: 81,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,106.66 : 231,226.77 = 54,338.12 : x
  2. Step 2: Convert to fraction form
    154,106.66/231,226.77 = 54,338.12/x
  3. Step 3: Cross multiply
    154,106.66x = 231,226.77 × 54,338.12
  4. Step 4: Simplify right side
    154,106.66x = 12,564,427,975.47
  5. Step 5: Solve for x
    x = 12,564,427,975.47/154,106.66
  6. Step 6: Final answer
    x = 81,530.73

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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.