Home / 84,213.14-126,210.02-34,234.86

Finding the Fourth Proportional to 84,213.14, 126,210.02 and 34,234.86

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Solution

The fourth proportional to 84,213.14, 126,210.02 and 34,234.86 is: 51,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,213.14 : 126,210.02 = 34,234.86 : x
  2. Step 2: Convert to fraction form
    84,213.14/126,210.02 = 34,234.86/x
  3. Step 3: Cross multiply
    84,213.14x = 126,210.02 × 34,234.86
  4. Step 4: Simplify right side
    84,213.14x = 4,320,782,365.30
  5. Step 5: Solve for x
    x = 4,320,782,365.30/84,213.14
  6. Step 6: Final answer
    x = 51,307.70

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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.