Home / 149,770.65-206,729.27-92,427.51

Finding the Fourth Proportional to 149,770.65, 206,729.27 and 92,427.51

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Solution

The fourth proportional to 149,770.65, 206,729.27 and 92,427.51 is: 127,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,770.65 : 206,729.27 = 92,427.51 : x
  2. Step 2: Convert to fraction form
    149,770.65/206,729.27 = 92,427.51/x
  3. Step 3: Cross multiply
    149,770.65x = 206,729.27 × 92,427.51
  4. Step 4: Simplify right side
    149,770.65x = 19,107,471,208.08
  5. Step 5: Solve for x
    x = 19,107,471,208.08/149,770.65
  6. Step 6: Final answer
    x = 127,578.21

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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.