Home / 146,208.38-201,768.17-79,140.38

Finding the Fourth Proportional to 146,208.38, 201,768.17 and 79,140.38

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Solution

The fourth proportional to 146,208.38, 201,768.17 and 79,140.38 is: 109,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.38 : 201,768.17 = 79,140.38 : x
  2. Step 2: Convert to fraction form
    146,208.38/201,768.17 = 79,140.38/x
  3. Step 3: Cross multiply
    146,208.38x = 201,768.17 × 79,140.38
  4. Step 4: Simplify right side
    146,208.38x = 15,968,008,241.16
  5. Step 5: Solve for x
    x = 15,968,008,241.16/146,208.38
  6. Step 6: Final answer
    x = 109,214.05

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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.