Home / 144,382.65-199,242.33-79,847.69

Finding the Fourth Proportional to 144,382.65, 199,242.33 and 79,847.69

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Solution

The fourth proportional to 144,382.65, 199,242.33 and 79,847.69 is: 110,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.65 : 199,242.33 = 79,847.69 : x
  2. Step 2: Convert to fraction form
    144,382.65/199,242.33 = 79,847.69/x
  3. Step 3: Cross multiply
    144,382.65x = 199,242.33 × 79,847.69
  4. Step 4: Simplify right side
    144,382.65x = 15,909,039,800.72
  5. Step 5: Solve for x
    x = 15,909,039,800.72/144,382.65
  6. Step 6: Final answer
    x = 110,186.65

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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.