Home / 143,726.67-198,329.94-80,063.10

Finding the Fourth Proportional to 143,726.67, 198,329.94 and 80,063.10

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Solution

The fourth proportional to 143,726.67, 198,329.94 and 80,063.10 is: 110,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.67 : 198,329.94 = 80,063.10 : x
  2. Step 2: Convert to fraction form
    143,726.67/198,329.94 = 80,063.10/x
  3. Step 3: Cross multiply
    143,726.67x = 198,329.94 × 80,063.10
  4. Step 4: Simplify right side
    143,726.67x = 15,878,909,819.21
  5. Step 5: Solve for x
    x = 15,878,909,819.21/143,726.67
  6. Step 6: Final answer
    x = 110,479.91

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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.