Home / 109,850.46-164,702.76-39,720.66

Finding the Fourth Proportional to 109,850.46, 164,702.76 and 39,720.66

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Solution

The fourth proportional to 109,850.46, 164,702.76 and 39,720.66 is: 59,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,850.46 : 164,702.76 = 39,720.66 : x
  2. Step 2: Convert to fraction form
    109,850.46/164,702.76 = 39,720.66/x
  3. Step 3: Cross multiply
    109,850.46x = 164,702.76 × 39,720.66
  4. Step 4: Simplify right side
    109,850.46x = 6,542,102,331.02
  5. Step 5: Solve for x
    x = 6,542,102,331.02/109,850.46
  6. Step 6: Final answer
    x = 59,554.62

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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.