Home / 134,920.72-186,355.92-101,080.54

Finding the Fourth Proportional to 134,920.72, 186,355.92 and 101,080.54

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Solution

The fourth proportional to 134,920.72, 186,355.92 and 101,080.54 is: 139,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.72 : 186,355.92 = 101,080.54 : x
  2. Step 2: Convert to fraction form
    134,920.72/186,355.92 = 101,080.54/x
  3. Step 3: Cross multiply
    134,920.72x = 186,355.92 × 101,080.54
  4. Step 4: Simplify right side
    134,920.72x = 18,836,957,025.80
  5. Step 5: Solve for x
    x = 18,836,957,025.80/134,920.72
  6. Step 6: Final answer
    x = 139,615.01

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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.