Home / 144,760.32-199,790.34-81,102.42

Finding the Fourth Proportional to 144,760.32, 199,790.34 and 81,102.42

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Solution

The fourth proportional to 144,760.32, 199,790.34 and 81,102.42 is: 111,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,760.32 : 199,790.34 = 81,102.42 : x
  2. Step 2: Convert to fraction form
    144,760.32/199,790.34 = 81,102.42/x
  3. Step 3: Cross multiply
    144,760.32x = 199,790.34 × 81,102.42
  4. Step 4: Simplify right side
    144,760.32x = 16,203,480,066.62
  5. Step 5: Solve for x
    x = 16,203,480,066.62/144,760.32
  6. Step 6: Final answer
    x = 111,933.16

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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.