Home / 146,682.22-219,988.10-67,720.58

Finding the Fourth Proportional to 146,682.22, 219,988.10 and 67,720.58

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Solution

The fourth proportional to 146,682.22, 219,988.10 and 67,720.58 is: 101,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,682.22 : 219,988.10 = 67,720.58 : x
  2. Step 2: Convert to fraction form
    146,682.22/219,988.10 = 67,720.58/x
  3. Step 3: Cross multiply
    146,682.22x = 219,988.10 × 67,720.58
  4. Step 4: Simplify right side
    146,682.22x = 14,897,721,725.10
  5. Step 5: Solve for x
    x = 14,897,721,725.10/146,682.22
  6. Step 6: Final answer
    x = 101,564.60

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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.