Home / 149,690.90-206,619.23-92,348.07

Finding the Fourth Proportional to 149,690.90, 206,619.23 and 92,348.07

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Solution

The fourth proportional to 149,690.90, 206,619.23 and 92,348.07 is: 127,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690.90 : 206,619.23 = 92,348.07 : x
  2. Step 2: Convert to fraction form
    149,690.90/206,619.23 = 92,348.07/x
  3. Step 3: Cross multiply
    149,690.90x = 206,619.23 × 92,348.07
  4. Step 4: Simplify right side
    149,690.90x = 19,080,887,115.39
  5. Step 5: Solve for x
    x = 19,080,887,115.39/149,690.90
  6. Step 6: Final answer
    x = 127,468.58

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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.