Home / 109,717.90-164,562.26-43,140.14

Finding the Fourth Proportional to 109,717.90, 164,562.26 and 43,140.14

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Solution

The fourth proportional to 109,717.90, 164,562.26 and 43,140.14 is: 64,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.90 : 164,562.26 = 43,140.14 : x
  2. Step 2: Convert to fraction form
    109,717.90/164,562.26 = 43,140.14/x
  3. Step 3: Cross multiply
    109,717.90x = 164,562.26 × 43,140.14
  4. Step 4: Simplify right side
    109,717.90x = 7,099,238,935.12
  5. Step 5: Solve for x
    x = 7,099,238,935.12/109,717.90
  6. Step 6: Final answer
    x = 64,704.47

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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.