Home / 166,788.88-230,168.32-90,308.05

Finding the Fourth Proportional to 166,788.88, 230,168.32 and 90,308.05

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Solution

The fourth proportional to 166,788.88, 230,168.32 and 90,308.05 is: 124,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,788.88 : 230,168.32 = 90,308.05 : x
  2. Step 2: Convert to fraction form
    166,788.88/230,168.32 = 90,308.05/x
  3. Step 3: Cross multiply
    166,788.88x = 230,168.32 × 90,308.05
  4. Step 4: Simplify right side
    166,788.88x = 20,786,051,349.79
  5. Step 5: Solve for x
    x = 20,786,051,349.79/166,788.88
  6. Step 6: Final answer
    x = 124,624.93

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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.