Home / 144,320.74-199,154.04-79,786.11

Finding the Fourth Proportional to 144,320.74, 199,154.04 and 79,786.11

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Solution

The fourth proportional to 144,320.74, 199,154.04 and 79,786.11 is: 110,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,320.74 : 199,154.04 = 79,786.11 : x
  2. Step 2: Convert to fraction form
    144,320.74/199,154.04 = 79,786.11/x
  3. Step 3: Cross multiply
    144,320.74x = 199,154.04 × 79,786.11
  4. Step 4: Simplify right side
    144,320.74x = 15,889,726,142.38
  5. Step 5: Solve for x
    x = 15,889,726,142.38/144,320.74
  6. Step 6: Final answer
    x = 110,100.09

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1.5x scale

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.