Home / 109,664.10-164,496.15-65,427.30

Finding the Fourth Proportional to 109,664.10, 164,496.15 and 65,427.30

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Solution

The fourth proportional to 109,664.10, 164,496.15 and 65,427.30 is: 98,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.10 : 164,496.15 = 65,427.30 : x
  2. Step 2: Convert to fraction form
    109,664.10/164,496.15 = 65,427.30/x
  3. Step 3: Cross multiply
    109,664.10x = 164,496.15 × 65,427.30
  4. Step 4: Simplify right side
    109,664.10x = 10,762,538,954.90
  5. Step 5: Solve for x
    x = 10,762,538,954.90/109,664.10
  6. Step 6: Final answer
    x = 98,140.95

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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.