Home / 189,258.04-261,164.82-108,698.68

Finding the Fourth Proportional to 189,258.04, 261,164.82 and 108,698.68

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Solution

The fourth proportional to 189,258.04, 261,164.82 and 108,698.68 is: 149,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,258.04 : 261,164.82 = 108,698.68 : x
  2. Step 2: Convert to fraction form
    189,258.04/261,164.82 = 108,698.68/x
  3. Step 3: Cross multiply
    189,258.04x = 261,164.82 × 108,698.68
  4. Step 4: Simplify right side
    189,258.04x = 28,388,271,196.44
  5. Step 5: Solve for x
    x = 28,388,271,196.44/189,258.04
  6. Step 6: Final answer
    x = 149,997.70

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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.