Home / 154,288.36-231,349.38-83,249.08

Finding the Fourth Proportional to 154,288.36, 231,349.38 and 83,249.08

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Solution

The fourth proportional to 154,288.36, 231,349.38 and 83,249.08 is: 124,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,288.36 : 231,349.38 = 83,249.08 : x
  2. Step 2: Convert to fraction form
    154,288.36/231,349.38 = 83,249.08/x
  3. Step 3: Cross multiply
    154,288.36x = 231,349.38 × 83,249.08
  4. Step 4: Simplify right side
    154,288.36x = 19,259,623,043.57
  5. Step 5: Solve for x
    x = 19,259,623,043.57/154,288.36
  6. Step 6: Final answer
    x = 124,828.75

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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.