Home / 199,640.66-275,294.37-131,570.56

Finding the Fourth Proportional to 199,640.66, 275,294.37 and 131,570.56

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Solution

The fourth proportional to 199,640.66, 275,294.37 and 131,570.56 is: 181,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,640.66 : 275,294.37 = 131,570.56 : x
  2. Step 2: Convert to fraction form
    199,640.66/275,294.37 = 131,570.56/x
  3. Step 3: Cross multiply
    199,640.66x = 275,294.37 × 131,570.56
  4. Step 4: Simplify right side
    199,640.66x = 36,220,633,737.51
  5. Step 5: Solve for x
    x = 36,220,633,737.51/199,640.66
  6. Step 6: Final answer
    x = 181,429.14

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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.