Home / 141,209.28-211,749.33-84,309.02

Finding the Fourth Proportional to 141,209.28, 211,749.33 and 84,309.02

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Solution

The fourth proportional to 141,209.28, 211,749.33 and 84,309.02 is: 126,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.28 : 211,749.33 = 84,309.02 : x
  2. Step 2: Convert to fraction form
    141,209.28/211,749.33 = 84,309.02/x
  3. Step 3: Cross multiply
    141,209.28x = 211,749.33 × 84,309.02
  4. Step 4: Simplify right side
    141,209.28x = 17,852,377,439.21
  5. Step 5: Solve for x
    x = 17,852,377,439.21/141,209.28
  6. Step 6: Final answer
    x = 126,424.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.