Home / 109,616.20-164,462.70-39,497.80

Finding the Fourth Proportional to 109,616.20, 164,462.70 and 39,497.80

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Solution

The fourth proportional to 109,616.20, 164,462.70 and 39,497.80 is: 59,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,616.20 : 164,462.70 = 39,497.80 : x
  2. Step 2: Convert to fraction form
    109,616.20/164,462.70 = 39,497.80/x
  3. Step 3: Cross multiply
    109,616.20x = 164,462.70 × 39,497.80
  4. Step 4: Simplify right side
    109,616.20x = 6,495,914,832.06
  5. Step 5: Solve for x
    x = 6,495,914,832.06/109,616.20
  6. Step 6: Final answer
    x = 59,260.54

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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.