Home / 94,020.30-140,897.84-51,919.33

Finding the Fourth Proportional to 94,020.30, 140,897.84 and 51,919.33

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Solution

The fourth proportional to 94,020.30, 140,897.84 and 51,919.33 is: 77,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,020.30 : 140,897.84 = 51,919.33 : x
  2. Step 2: Convert to fraction form
    94,020.30/140,897.84 = 51,919.33/x
  3. Step 3: Cross multiply
    94,020.30x = 140,897.84 × 51,919.33
  4. Step 4: Simplify right side
    94,020.30x = 7,315,321,451.25
  5. Step 5: Solve for x
    x = 7,315,321,451.25/94,020.30
  6. Step 6: Final answer
    x = 77,805.77

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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.