Home / 132,578.10-198,767.75-79,975.26

Finding the Fourth Proportional to 132,578.10, 198,767.75 and 79,975.26

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Solution

The fourth proportional to 132,578.10, 198,767.75 and 79,975.26 is: 119,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,578.10 : 198,767.75 = 79,975.26 : x
  2. Step 2: Convert to fraction form
    132,578.10/198,767.75 = 79,975.26/x
  3. Step 3: Cross multiply
    132,578.10x = 198,767.75 × 79,975.26
  4. Step 4: Simplify right side
    132,578.10x = 15,896,502,085.99
  5. Step 5: Solve for x
    x = 15,896,502,085.99/132,578.10
  6. Step 6: Final answer
    x = 119,902.93

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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.