Home / 154,434.12-231,800.99-74,528.33

Finding the Fourth Proportional to 154,434.12, 231,800.99 and 74,528.33

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Solution

The fourth proportional to 154,434.12, 231,800.99 and 74,528.33 is: 111,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.12 : 231,800.99 = 74,528.33 : x
  2. Step 2: Convert to fraction form
    154,434.12/231,800.99 = 74,528.33/x
  3. Step 3: Cross multiply
    154,434.12x = 231,800.99 × 74,528.33
  4. Step 4: Simplify right side
    154,434.12x = 17,275,739,564.62
  5. Step 5: Solve for x
    x = 17,275,739,564.62/154,434.12
  6. Step 6: Final answer
    x = 111,864.78

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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.