Home / 144,231.73-199,041.41-79,700.70

Finding the Fourth Proportional to 144,231.73, 199,041.41 and 79,700.70

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Solution

The fourth proportional to 144,231.73, 199,041.41 and 79,700.70 is: 109,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,231.73 : 199,041.41 = 79,700.70 : x
  2. Step 2: Convert to fraction form
    144,231.73/199,041.41 = 79,700.70/x
  3. Step 3: Cross multiply
    144,231.73x = 199,041.41 × 79,700.70
  4. Step 4: Simplify right side
    144,231.73x = 15,863,739,705.99
  5. Step 5: Solve for x
    x = 15,863,739,705.99/144,231.73
  6. Step 6: Final answer
    x = 109,987.86

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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.