Home / 144,242.11-199,053.60-79,709.54

Finding the Fourth Proportional to 144,242.11, 199,053.60 and 79,709.54

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Solution

The fourth proportional to 144,242.11, 199,053.60 and 79,709.54 is: 109,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,242.11 : 199,053.60 = 79,709.54 : x
  2. Step 2: Convert to fraction form
    144,242.11/199,053.60 = 79,709.54/x
  3. Step 3: Cross multiply
    144,242.11x = 199,053.60 × 79,709.54
  4. Step 4: Simplify right side
    144,242.11x = 15,866,470,891.34
  5. Step 5: Solve for x
    x = 15,866,470,891.34/144,242.11
  6. Step 6: Final answer
    x = 109,998.89

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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.