Home / 134,161.92-185,103.03-80,427.33

Finding the Fourth Proportional to 134,161.92, 185,103.03 and 80,427.33

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Solution

The fourth proportional to 134,161.92, 185,103.03 and 80,427.33 is: 110,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,161.92 : 185,103.03 = 80,427.33 : x
  2. Step 2: Convert to fraction form
    134,161.92/185,103.03 = 80,427.33/x
  3. Step 3: Cross multiply
    134,161.92x = 185,103.03 × 80,427.33
  4. Step 4: Simplify right side
    134,161.92x = 14,887,342,477.81
  5. Step 5: Solve for x
    x = 14,887,342,477.81/134,161.92
  6. Step 6: Final answer
    x = 110,965.48

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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.