Home / 168,166.08-251,887.20-79,286.40

Finding the Fourth Proportional to 168,166.08, 251,887.20 and 79,286.40

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Solution

The fourth proportional to 168,166.08, 251,887.20 and 79,286.40 is: 118,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,166.08 : 251,887.20 = 79,286.40 : x
  2. Step 2: Convert to fraction form
    168,166.08/251,887.20 = 79,286.40/x
  3. Step 3: Cross multiply
    168,166.08x = 251,887.20 × 79,286.40
  4. Step 4: Simplify right side
    168,166.08x = 19,971,229,294.08
  5. Step 5: Solve for x
    x = 19,971,229,294.08/168,166.08
  6. Step 6: Final answer
    x = 118,758.96

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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.