Home / 144,869.15-199,939.93-80,352.65

Finding the Fourth Proportional to 144,869.15, 199,939.93 and 80,352.65

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Solution

The fourth proportional to 144,869.15, 199,939.93 and 80,352.65 is: 110,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.15 : 199,939.93 = 80,352.65 : x
  2. Step 2: Convert to fraction form
    144,869.15/199,939.93 = 80,352.65/x
  3. Step 3: Cross multiply
    144,869.15x = 199,939.93 × 80,352.65
  4. Step 4: Simplify right side
    144,869.15x = 16,065,703,515.28
  5. Step 5: Solve for x
    x = 16,065,703,515.28/144,869.15
  6. Step 6: Final answer
    x = 110,898.03

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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.