Home / 121,023.49-166,999.62-67,299.82

Finding the Fourth Proportional to 121,023.49, 166,999.62 and 67,299.82

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Solution

The fourth proportional to 121,023.49, 166,999.62 and 67,299.82 is: 92,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.49 : 166,999.62 = 67,299.82 : x
  2. Step 2: Convert to fraction form
    121,023.49/166,999.62 = 67,299.82/x
  3. Step 3: Cross multiply
    121,023.49x = 166,999.62 × 67,299.82
  4. Step 4: Simplify right side
    121,023.49x = 11,239,044,366.07
  5. Step 5: Solve for x
    x = 11,239,044,366.07/121,023.49
  6. Step 6: Final answer
    x = 92,866.64

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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.