Home / 134,177.82-185,150.52-80,465.10

Finding the Fourth Proportional to 134,177.82, 185,150.52 and 80,465.10

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Solution

The fourth proportional to 134,177.82, 185,150.52 and 80,465.10 is: 111,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,177.82 : 185,150.52 = 80,465.10 : x
  2. Step 2: Convert to fraction form
    134,177.82/185,150.52 = 80,465.10/x
  3. Step 3: Cross multiply
    134,177.82x = 185,150.52 × 80,465.10
  4. Step 4: Simplify right side
    134,177.82x = 14,898,155,106.85
  5. Step 5: Solve for x
    x = 14,898,155,106.85/134,177.82
  6. Step 6: Final answer
    x = 111,032.92

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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.