Home / 122,207.94-168,394.14-98,238.42

Finding the Fourth Proportional to 122,207.94, 168,394.14 and 98,238.42

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Solution

The fourth proportional to 122,207.94, 168,394.14 and 98,238.42 is: 135,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207.94 : 168,394.14 = 98,238.42 : x
  2. Step 2: Convert to fraction form
    122,207.94/168,394.14 = 98,238.42/x
  3. Step 3: Cross multiply
    122,207.94x = 168,394.14 × 98,238.42
  4. Step 4: Simplify right side
    122,207.94x = 16,542,774,250.86
  5. Step 5: Solve for x
    x = 16,542,774,250.86/122,207.94
  6. Step 6: Final answer
    x = 135,365.79

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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.