Home / 134,477.72-185,578.19-80,067.21

Finding the Fourth Proportional to 134,477.72, 185,578.19 and 80,067.21

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Solution

The fourth proportional to 134,477.72, 185,578.19 and 80,067.21 is: 110,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,477.72 : 185,578.19 = 80,067.21 : x
  2. Step 2: Convert to fraction form
    134,477.72/185,578.19 = 80,067.21/x
  3. Step 3: Cross multiply
    134,477.72x = 185,578.19 × 80,067.21
  4. Step 4: Simplify right side
    134,477.72x = 14,858,727,636.09
  5. Step 5: Solve for x
    x = 14,858,727,636.09/134,477.72
  6. Step 6: Final answer
    x = 110,492.12

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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.