Home / 161,121.88-241,708.74-67,654.36

Finding the Fourth Proportional to 161,121.88, 241,708.74 and 67,654.36

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Solution

The fourth proportional to 161,121.88, 241,708.74 and 67,654.36 is: 101,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,121.88 : 241,708.74 = 67,654.36 : x
  2. Step 2: Convert to fraction form
    161,121.88/241,708.74 = 67,654.36/x
  3. Step 3: Cross multiply
    161,121.88x = 241,708.74 × 67,654.36
  4. Step 4: Simplify right side
    161,121.88x = 16,352,650,111.11
  5. Step 5: Solve for x
    x = 16,352,650,111.11/161,121.88
  6. Step 6: Final answer
    x = 101,492.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.