Home / 133,372.77-184,121.28-103,089.66

Finding the Fourth Proportional to 133,372.77, 184,121.28 and 103,089.66

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Solution

The fourth proportional to 133,372.77, 184,121.28 and 103,089.66 is: 142,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.77 : 184,121.28 = 103,089.66 : x
  2. Step 2: Convert to fraction form
    133,372.77/184,121.28 = 103,089.66/x
  3. Step 3: Cross multiply
    133,372.77x = 184,121.28 × 103,089.66
  4. Step 4: Simplify right side
    133,372.77x = 18,981,000,153.96
  5. Step 5: Solve for x
    x = 18,981,000,153.96/133,372.77
  6. Step 6: Final answer
    x = 142,315.41

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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.