Home / 149,218.35-205,860.33-91,840.35

Finding the Fourth Proportional to 149,218.35, 205,860.33 and 91,840.35

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Solution

The fourth proportional to 149,218.35, 205,860.33 and 91,840.35 is: 126,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,218.35 : 205,860.33 = 91,840.35 : x
  2. Step 2: Convert to fraction form
    149,218.35/205,860.33 = 91,840.35/x
  3. Step 3: Cross multiply
    149,218.35x = 205,860.33 × 91,840.35
  4. Step 4: Simplify right side
    149,218.35x = 18,906,284,758.32
  5. Step 5: Solve for x
    x = 18,906,284,758.32/149,218.35
  6. Step 6: Final answer
    x = 126,702.14

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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.