Home / 175,433.22-242,083.17-103,800.75

Finding the Fourth Proportional to 175,433.22, 242,083.17 and 103,800.75

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Solution

The fourth proportional to 175,433.22, 242,083.17 and 103,800.75 is: 143,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,433.22 : 242,083.17 = 103,800.75 : x
  2. Step 2: Convert to fraction form
    175,433.22/242,083.17 = 103,800.75/x
  3. Step 3: Cross multiply
    175,433.22x = 242,083.17 × 103,800.75
  4. Step 4: Simplify right side
    175,433.22x = 25,128,414,608.38
  5. Step 5: Solve for x
    x = 25,128,414,608.38/175,433.22
  6. Step 6: Final answer
    x = 143,236.35

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1.5x scale

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.