Home / 144,709.92-199,697.94-84,290.40

Finding the Fourth Proportional to 144,709.92, 199,697.94 and 84,290.40

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Solution

The fourth proportional to 144,709.92, 199,697.94 and 84,290.40 is: 116,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,709.92 : 199,697.94 = 84,290.40 : x
  2. Step 2: Convert to fraction form
    144,709.92/199,697.94 = 84,290.40/x
  3. Step 3: Cross multiply
    144,709.92x = 199,697.94 × 84,290.40
  4. Step 4: Simplify right side
    144,709.92x = 16,832,619,241.78
  5. Step 5: Solve for x
    x = 16,832,619,241.78/144,709.92
  6. Step 6: Final answer
    x = 116,319.73

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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.