Home / 134,145.72-201,249.72-39,372.12

Finding the Fourth Proportional to 134,145.72, 201,249.72 and 39,372.12

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Solution

The fourth proportional to 134,145.72, 201,249.72 and 39,372.12 is: 59,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,145.72 : 201,249.72 = 39,372.12 : x
  2. Step 2: Convert to fraction form
    134,145.72/201,249.72 = 39,372.12/x
  3. Step 3: Cross multiply
    134,145.72x = 201,249.72 × 39,372.12
  4. Step 4: Simplify right side
    134,145.72x = 7,923,628,125.81
  5. Step 5: Solve for x
    x = 7,923,628,125.81/134,145.72
  6. Step 6: Final answer
    x = 59,067.32

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1.5x scale

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.