Home / 96,820.11-144,919.37-51,728.79

Finding the Fourth Proportional to 96,820.11, 144,919.37 and 51,728.79

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Solution

The fourth proportional to 96,820.11, 144,919.37 and 51,728.79 is: 77,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,820.11 : 144,919.37 = 51,728.79 : x
  2. Step 2: Convert to fraction form
    96,820.11/144,919.37 = 51,728.79/x
  3. Step 3: Cross multiply
    96,820.11x = 144,919.37 × 51,728.79
  4. Step 4: Simplify right side
    96,820.11x = 7,496,503,399.02
  5. Step 5: Solve for x
    x = 7,496,503,399.02/96,820.11
  6. Step 6: Final answer
    x = 77,427.13

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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.