Home / 168,002.10-251,711.55-108,807.30

Finding the Fourth Proportional to 168,002.10, 251,711.55 and 108,807.30

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Solution

The fourth proportional to 168,002.10, 251,711.55 and 108,807.30 is: 163,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.10 : 251,711.55 = 108,807.30 : x
  2. Step 2: Convert to fraction form
    168,002.10/251,711.55 = 108,807.30/x
  3. Step 3: Cross multiply
    168,002.10x = 251,711.55 × 108,807.30
  4. Step 4: Simplify right side
    168,002.10x = 27,388,054,134.32
  5. Step 5: Solve for x
    x = 27,388,054,134.32/168,002.10
  6. Step 6: Final answer
    x = 163,022.09

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1.5x scale

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.