Home / 121,012.18-166,996.92-67,296.02

Finding the Fourth Proportional to 121,012.18, 166,996.92 and 67,296.02

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Solution

The fourth proportional to 121,012.18, 166,996.92 and 67,296.02 is: 92,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,012.18 : 166,996.92 = 67,296.02 : x
  2. Step 2: Convert to fraction form
    121,012.18/166,996.92 = 67,296.02/x
  3. Step 3: Cross multiply
    121,012.18x = 166,996.92 × 67,296.02
  4. Step 4: Simplify right side
    121,012.18x = 11,238,228,068.26
  5. Step 5: Solve for x
    x = 11,238,228,068.26/121,012.18
  6. Step 6: Final answer
    x = 92,868.57

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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.