Home / 121,014.54-166,992.44-67,298.18

Finding the Fourth Proportional to 121,014.54, 166,992.44 and 67,298.18

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Solution

The fourth proportional to 121,014.54, 166,992.44 and 67,298.18 is: 92,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014.54 : 166,992.44 = 67,298.18 : x
  2. Step 2: Convert to fraction form
    121,014.54/166,992.44 = 67,298.18/x
  3. Step 3: Cross multiply
    121,014.54x = 166,992.44 × 67,298.18
  4. Step 4: Simplify right side
    121,014.54x = 11,238,286,114.31
  5. Step 5: Solve for x
    x = 11,238,286,114.31/121,014.54
  6. Step 6: Final answer
    x = 92,867.24

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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.