Home / 149,363.16-206,197.32-101,219.42

Finding the Fourth Proportional to 149,363.16, 206,197.32 and 101,219.42

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Solution

The fourth proportional to 149,363.16, 206,197.32 and 101,219.42 is: 139,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,363.16 : 206,197.32 = 101,219.42 : x
  2. Step 2: Convert to fraction form
    149,363.16/206,197.32 = 101,219.42/x
  3. Step 3: Cross multiply
    149,363.16x = 206,197.32 × 101,219.42
  4. Step 4: Simplify right side
    149,363.16x = 20,871,172,104.97
  5. Step 5: Solve for x
    x = 20,871,172,104.97/149,363.16
  6. Step 6: Final answer
    x = 139,734.40

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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.