Home / 160,190.96-240,385.26-81,361.76

Finding the Fourth Proportional to 160,190.96, 240,385.26 and 81,361.76

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Solution

The fourth proportional to 160,190.96, 240,385.26 and 81,361.76 is: 122,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,190.96 : 240,385.26 = 81,361.76 : x
  2. Step 2: Convert to fraction form
    160,190.96/240,385.26 = 81,361.76/x
  3. Step 3: Cross multiply
    160,190.96x = 240,385.26 × 81,361.76
  4. Step 4: Simplify right side
    160,190.96x = 19,558,167,831.66
  5. Step 5: Solve for x
    x = 19,558,167,831.66/160,190.96
  6. Step 6: Final answer
    x = 122,092.83

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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.