Home / 144,446.38-199,341.95-79,914.59

Finding the Fourth Proportional to 144,446.38, 199,341.95 and 79,914.59

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Solution

The fourth proportional to 144,446.38, 199,341.95 and 79,914.59 is: 110,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,446.38 : 199,341.95 = 79,914.59 : x
  2. Step 2: Convert to fraction form
    144,446.38/199,341.95 = 79,914.59/x
  3. Step 3: Cross multiply
    144,446.38x = 199,341.95 × 79,914.59
  4. Step 4: Simplify right side
    144,446.38x = 15,930,330,204.05
  5. Step 5: Solve for x
    x = 15,930,330,204.05/144,446.38
  6. Step 6: Final answer
    x = 110,285.42

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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.