Home / 144,320.71-199,154.00-79,786.08

Finding the Fourth Proportional to 144,320.71, 199,154.00 and 79,786.08

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Solution

The fourth proportional to 144,320.71, 199,154.00 and 79,786.08 is: 110,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,320.71 : 199,154.00 = 79,786.08 : x
  2. Step 2: Convert to fraction form
    144,320.71/199,154.00 = 79,786.08/x
  3. Step 3: Cross multiply
    144,320.71x = 199,154.00 × 79,786.08
  4. Step 4: Simplify right side
    144,320.71x = 15,889,715,830.56
  5. Step 5: Solve for x
    x = 15,889,715,830.56/144,320.71
  6. Step 6: Final answer
    x = 110,100.04

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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.