Home / 134,921.72-186,357.30-101,081.54

Finding the Fourth Proportional to 134,921.72, 186,357.30 and 101,081.54

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Solution

The fourth proportional to 134,921.72, 186,357.30 and 101,081.54 is: 139,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,921.72 : 186,357.30 = 101,081.54 : x
  2. Step 2: Convert to fraction form
    134,921.72/186,357.30 = 101,081.54/x
  3. Step 3: Cross multiply
    134,921.72x = 186,357.30 × 101,081.54
  4. Step 4: Simplify right side
    134,921.72x = 18,837,282,874.24
  5. Step 5: Solve for x
    x = 18,837,282,874.24/134,921.72
  6. Step 6: Final answer
    x = 139,616.39

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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.