Home / 133,890.80-184,894.26-86,227.16

Finding the Fourth Proportional to 133,890.80, 184,894.26 and 86,227.16

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Solution

The fourth proportional to 133,890.80, 184,894.26 and 86,227.16 is: 119,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,890.80 : 184,894.26 = 86,227.16 : x
  2. Step 2: Convert to fraction form
    133,890.80/184,894.26 = 86,227.16/x
  3. Step 3: Cross multiply
    133,890.80x = 184,894.26 × 86,227.16
  4. Step 4: Simplify right side
    133,890.80x = 15,942,906,940.10
  5. Step 5: Solve for x
    x = 15,942,906,940.10/133,890.80
  6. Step 6: Final answer
    x = 119,073.95

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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.