Home / 109,249.92-150,767.82-61,505.08

Finding the Fourth Proportional to 109,249.92, 150,767.82 and 61,505.08

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Solution

The fourth proportional to 109,249.92, 150,767.82 and 61,505.08 is: 84,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,249.92 : 150,767.82 = 61,505.08 : x
  2. Step 2: Convert to fraction form
    109,249.92/150,767.82 = 61,505.08/x
  3. Step 3: Cross multiply
    109,249.92x = 150,767.82 × 61,505.08
  4. Step 4: Simplify right side
    109,249.92x = 9,272,986,830.53
  5. Step 5: Solve for x
    x = 9,272,986,830.53/109,249.92
  6. Step 6: Final answer
    x = 84,878.66

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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.