Home / 122,245.88-168,699.76-71,293.79

Finding the Fourth Proportional to 122,245.88, 168,699.76 and 71,293.79

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Solution

The fourth proportional to 122,245.88, 168,699.76 and 71,293.79 is: 98,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,245.88 : 168,699.76 = 71,293.79 : x
  2. Step 2: Convert to fraction form
    122,245.88/168,699.76 = 71,293.79/x
  3. Step 3: Cross multiply
    122,245.88x = 168,699.76 × 71,293.79
  4. Step 4: Simplify right side
    122,245.88x = 12,027,244,958.10
  5. Step 5: Solve for x
    x = 12,027,244,958.10/122,245.88
  6. Step 6: Final answer
    x = 98,385.69

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1.5x scale

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.