Home / 144,338.31-199,178.82-79,803.81

Finding the Fourth Proportional to 144,338.31, 199,178.82 and 79,803.81

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Solution

The fourth proportional to 144,338.31, 199,178.82 and 79,803.81 is: 110,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,338.31 : 199,178.82 = 79,803.81 : x
  2. Step 2: Convert to fraction form
    144,338.31/199,178.82 = 79,803.81/x
  3. Step 3: Cross multiply
    144,338.31x = 199,178.82 × 79,803.81
  4. Step 4: Simplify right side
    144,338.31x = 15,895,228,707.30
  5. Step 5: Solve for x
    x = 15,895,228,707.30/144,338.31
  6. Step 6: Final answer
    x = 110,124.81

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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.