Home / 175,197.80-262,494.30-81,511.40

Finding the Fourth Proportional to 175,197.80, 262,494.30 and 81,511.40

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Solution

The fourth proportional to 175,197.80, 262,494.30 and 81,511.40 is: 122,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,197.80 : 262,494.30 = 81,511.40 : x
  2. Step 2: Convert to fraction form
    175,197.80/262,494.30 = 81,511.40/x
  3. Step 3: Cross multiply
    175,197.80x = 262,494.30 × 81,511.40
  4. Step 4: Simplify right side
    175,197.80x = 21,396,277,885.02
  5. Step 5: Solve for x
    x = 21,396,277,885.02/175,197.80
  6. Step 6: Final answer
    x = 122,126.41

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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.