Home / 134,953.68-186,258.52-80,512.86

Finding the Fourth Proportional to 134,953.68, 186,258.52 and 80,512.86

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Solution

The fourth proportional to 134,953.68, 186,258.52 and 80,512.86 is: 111,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,953.68 : 186,258.52 = 80,512.86 : x
  2. Step 2: Convert to fraction form
    134,953.68/186,258.52 = 80,512.86/x
  3. Step 3: Cross multiply
    134,953.68x = 186,258.52 × 80,512.86
  4. Step 4: Simplify right side
    134,953.68x = 14,996,206,144.57
  5. Step 5: Solve for x
    x = 14,996,206,144.57/134,953.68
  6. Step 6: Final answer
    x = 111,121.14

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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.