Home / 165,899.57-247,638.22-142,358.39

Finding the Fourth Proportional to 165,899.57, 247,638.22 and 142,358.39

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Solution

The fourth proportional to 165,899.57, 247,638.22 and 142,358.39 is: 212,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,899.57 : 247,638.22 = 142,358.39 : x
  2. Step 2: Convert to fraction form
    165,899.57/247,638.22 = 142,358.39/x
  3. Step 3: Cross multiply
    165,899.57x = 247,638.22 × 142,358.39
  4. Step 4: Simplify right side
    165,899.57x = 35,253,379,294.55
  5. Step 5: Solve for x
    x = 35,253,379,294.55/165,899.57
  6. Step 6: Final answer
    x = 212,498.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.