Home / 109,126.53-150,593.09-61,379.91

Finding the Fourth Proportional to 109,126.53, 150,593.09 and 61,379.91

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Solution

The fourth proportional to 109,126.53, 150,593.09 and 61,379.91 is: 84,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.53 : 150,593.09 = 61,379.91 : x
  2. Step 2: Convert to fraction form
    109,126.53/150,593.09 = 61,379.91/x
  3. Step 3: Cross multiply
    109,126.53x = 150,593.09 × 61,379.91
  4. Step 4: Simplify right side
    109,126.53x = 9,243,389,711.31
  5. Step 5: Solve for x
    x = 9,243,389,711.31/109,126.53
  6. Step 6: Final answer
    x = 84,703.42

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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.