Home / 213,723.84-294,720.48-142,115.52

Finding the Fourth Proportional to 213,723.84, 294,720.48 and 142,115.52

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Solution

The fourth proportional to 213,723.84, 294,720.48 and 142,115.52 is: 195,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,723.84 : 294,720.48 = 142,115.52 : x
  2. Step 2: Convert to fraction form
    213,723.84/294,720.48 = 142,115.52/x
  3. Step 3: Cross multiply
    213,723.84x = 294,720.48 × 142,115.52
  4. Step 4: Simplify right side
    213,723.84x = 41,884,354,269.85
  5. Step 5: Solve for x
    x = 41,884,354,269.85/213,723.84
  6. Step 6: Final answer
    x = 195,974.18

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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.