Home / 144,579.96-199,521.36-80,923.68

Finding the Fourth Proportional to 144,579.96, 199,521.36 and 80,923.68

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Solution

The fourth proportional to 144,579.96, 199,521.36 and 80,923.68 is: 111,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.96 : 199,521.36 = 80,923.68 : x
  2. Step 2: Convert to fraction form
    144,579.96/199,521.36 = 80,923.68/x
  3. Step 3: Cross multiply
    144,579.96x = 199,521.36 × 80,923.68
  4. Step 4: Simplify right side
    144,579.96x = 16,146,002,689.80
  5. Step 5: Solve for x
    x = 16,146,002,689.80/144,579.96
  6. Step 6: Final answer
    x = 111,675.25

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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.