Home / 109,609.08-164,313-39,471.36

Finding the Fourth Proportional to 109,609.08, 164,313 and 39,471.36

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Solution

The fourth proportional to 109,609.08, 164,313 and 39,471.36 is: 59,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,609.08 : 164,313 = 39,471.36 : x
  2. Step 2: Convert to fraction form
    109,609.08/164,313 = 39,471.36/x
  3. Step 3: Cross multiply
    109,609.08x = 164,313 × 39,471.36
  4. Step 4: Simplify right side
    109,609.08x = 6,485,657,575.68
  5. Step 5: Solve for x
    x = 6,485,657,575.68/109,609.08
  6. Step 6: Final answer
    x = 59,170.81

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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.