Home / 87,365.16-120,601.32-60,179.40

Finding the Fourth Proportional to 87,365.16, 120,601.32 and 60,179.40

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Solution

The fourth proportional to 87,365.16, 120,601.32 and 60,179.40 is: 83,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,365.16 : 120,601.32 = 60,179.40 : x
  2. Step 2: Convert to fraction form
    87,365.16/120,601.32 = 60,179.40/x
  3. Step 3: Cross multiply
    87,365.16x = 120,601.32 × 60,179.40
  4. Step 4: Simplify right side
    87,365.16x = 7,257,715,076.81
  5. Step 5: Solve for x
    x = 7,257,715,076.81/87,365.16
  6. Step 6: Final answer
    x = 83,073.33

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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.