Home / 220,781.34-331,092.36-94,430.52

Finding the Fourth Proportional to 220,781.34, 331,092.36 and 94,430.52

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Solution

The fourth proportional to 220,781.34, 331,092.36 and 94,430.52 is: 141,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,781.34 : 331,092.36 = 94,430.52 : x
  2. Step 2: Convert to fraction form
    220,781.34/331,092.36 = 94,430.52/x
  3. Step 3: Cross multiply
    220,781.34x = 331,092.36 × 94,430.52
  4. Step 4: Simplify right side
    220,781.34x = 31,265,223,722.83
  5. Step 5: Solve for x
    x = 31,265,223,722.83/220,781.34
  6. Step 6: Final answer
    x = 141,611.71

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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.