Home / 121,265.39-167,415.60-80,484.82

Finding the Fourth Proportional to 121,265.39, 167,415.60 and 80,484.82

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Solution

The fourth proportional to 121,265.39, 167,415.60 and 80,484.82 is: 111,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265.39 : 167,415.60 = 80,484.82 : x
  2. Step 2: Convert to fraction form
    121,265.39/167,415.60 = 80,484.82/x
  3. Step 3: Cross multiply
    121,265.39x = 167,415.60 × 80,484.82
  4. Step 4: Simplify right side
    121,265.39x = 13,474,414,628.38
  5. Step 5: Solve for x
    x = 13,474,414,628.38/121,265.39
  6. Step 6: Final answer
    x = 111,115.09

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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.