Home / 283,890.12-425,769.51-84,162.34

Finding the Fourth Proportional to 283,890.12, 425,769.51 and 84,162.34

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Solution

The fourth proportional to 283,890.12, 425,769.51 and 84,162.34 is: 126,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,890.12 : 425,769.51 = 84,162.34 : x
  2. Step 2: Convert to fraction form
    283,890.12/425,769.51 = 84,162.34/x
  3. Step 3: Cross multiply
    283,890.12x = 425,769.51 × 84,162.34
  4. Step 4: Simplify right side
    283,890.12x = 35,833,759,110.07
  5. Step 5: Solve for x
    x = 35,833,759,110.07/283,890.12
  6. Step 6: Final answer
    x = 126,224.05

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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.