Home / 143,721.67-215,572.47-53,747.26

Finding the Fourth Proportional to 143,721.67, 215,572.47 and 53,747.26

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Solution

The fourth proportional to 143,721.67, 215,572.47 and 53,747.26 is: 80,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,721.67 : 215,572.47 = 53,747.26 : x
  2. Step 2: Convert to fraction form
    143,721.67/215,572.47 = 53,747.26/x
  3. Step 3: Cross multiply
    143,721.67x = 215,572.47 × 53,747.26
  4. Step 4: Simplify right side
    143,721.67x = 11,586,429,593.93
  5. Step 5: Solve for x
    x = 11,586,429,593.93/143,721.67
  6. Step 6: Final answer
    x = 80,617.14

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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.