Home / 109,699.26-164,438.10-43,186.07

Finding the Fourth Proportional to 109,699.26, 164,438.10 and 43,186.07

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Solution

The fourth proportional to 109,699.26, 164,438.10 and 43,186.07 is: 64,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,699.26 : 164,438.10 = 43,186.07 : x
  2. Step 2: Convert to fraction form
    109,699.26/164,438.10 = 43,186.07/x
  3. Step 3: Cross multiply
    109,699.26x = 164,438.10 × 43,186.07
  4. Step 4: Simplify right side
    109,699.26x = 7,101,434,475.08
  5. Step 5: Solve for x
    x = 7,101,434,475.08/109,699.26
  6. Step 6: Final answer
    x = 64,735.48

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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.