Home / 134,881.20-202,321.80-109,949.40

Finding the Fourth Proportional to 134,881.20, 202,321.80 and 109,949.40

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Solution

The fourth proportional to 134,881.20, 202,321.80 and 109,949.40 is: 164,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.20 : 202,321.80 = 109,949.40 : x
  2. Step 2: Convert to fraction form
    134,881.20/202,321.80 = 109,949.40/x
  3. Step 3: Cross multiply
    134,881.20x = 202,321.80 × 109,949.40
  4. Step 4: Simplify right side
    134,881.20x = 22,245,160,516.92
  5. Step 5: Solve for x
    x = 22,245,160,516.92/134,881.20
  6. Step 6: Final answer
    x = 164,924.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.