Home / 144,933.71-200,019.98-80,409.31

Finding the Fourth Proportional to 144,933.71, 200,019.98 and 80,409.31

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Solution

The fourth proportional to 144,933.71, 200,019.98 and 80,409.31 is: 110,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,933.71 : 200,019.98 = 80,409.31 : x
  2. Step 2: Convert to fraction form
    144,933.71/200,019.98 = 80,409.31/x
  3. Step 3: Cross multiply
    144,933.71x = 200,019.98 × 80,409.31
  4. Step 4: Simplify right side
    144,933.71x = 16,083,468,278.99
  5. Step 5: Solve for x
    x = 16,083,468,278.99/144,933.71
  6. Step 6: Final answer
    x = 110,971.21

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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.