Home / 84,212.14-126,208.51-34,233.86

Finding the Fourth Proportional to 84,212.14, 126,208.51 and 34,233.86

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Solution

The fourth proportional to 84,212.14, 126,208.51 and 34,233.86 is: 51,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,212.14 : 126,208.51 = 34,233.86 : x
  2. Step 2: Convert to fraction form
    84,212.14/126,208.51 = 34,233.86/x
  3. Step 3: Cross multiply
    84,212.14x = 126,208.51 × 34,233.86
  4. Step 4: Simplify right side
    84,212.14x = 4,320,604,462.15
  5. Step 5: Solve for x
    x = 4,320,604,462.15/84,212.14
  6. Step 6: Final answer
    x = 51,306.19

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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.