Home / 168,701.10-252,760.05-109,506.30

Finding the Fourth Proportional to 168,701.10, 252,760.05 and 109,506.30

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Solution

The fourth proportional to 168,701.10, 252,760.05 and 109,506.30 is: 164,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,701.10 : 252,760.05 = 109,506.30 : x
  2. Step 2: Convert to fraction form
    168,701.10/252,760.05 = 109,506.30/x
  3. Step 3: Cross multiply
    168,701.10x = 252,760.05 × 109,506.30
  4. Step 4: Simplify right side
    168,701.10x = 27,678,817,863.32
  5. Step 5: Solve for x
    x = 27,678,817,863.32/168,701.10
  6. Step 6: Final answer
    x = 164,070.17

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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.