Home / 144,163.56-198,944.92-79,637.23

Finding the Fourth Proportional to 144,163.56, 198,944.92 and 79,637.23

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Solution

The fourth proportional to 144,163.56, 198,944.92 and 79,637.23 is: 109,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,163.56 : 198,944.92 = 79,637.23 : x
  2. Step 2: Convert to fraction form
    144,163.56/198,944.92 = 79,637.23/x
  3. Step 3: Cross multiply
    144,163.56x = 198,944.92 × 79,637.23
  4. Step 4: Simplify right side
    144,163.56x = 15,843,422,699.60
  5. Step 5: Solve for x
    x = 15,843,422,699.60/144,163.56
  6. Step 6: Final answer
    x = 109,898.94

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1.5x scale

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.