Home / 164,139.40-226,515.01-91,540.35

Finding the Fourth Proportional to 164,139.40, 226,515.01 and 91,540.35

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Solution

The fourth proportional to 164,139.40, 226,515.01 and 91,540.35 is: 126,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,139.40 : 226,515.01 = 91,540.35 : x
  2. Step 2: Convert to fraction form
    164,139.40/226,515.01 = 91,540.35/x
  3. Step 3: Cross multiply
    164,139.40x = 226,515.01 × 91,540.35
  4. Step 4: Simplify right side
    164,139.40x = 20,735,263,295.65
  5. Step 5: Solve for x
    x = 20,735,263,295.65/164,139.40
  6. Step 6: Final answer
    x = 126,327.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.