Home / 109,721.60-164,605.44-35,840

Finding the Fourth Proportional to 109,721.60, 164,605.44 and 35,840

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Solution

The fourth proportional to 109,721.60, 164,605.44 and 35,840 is: 53,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,721.60 : 164,605.44 = 35,840 : x
  2. Step 2: Convert to fraction form
    109,721.60/164,605.44 = 35,840/x
  3. Step 3: Cross multiply
    109,721.60x = 164,605.44 × 35,840
  4. Step 4: Simplify right side
    109,721.60x = 5,899,458,969.60
  5. Step 5: Solve for x
    x = 5,899,458,969.60/109,721.60
  6. Step 6: Final answer
    x = 53,767.53

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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.