Home / 122,375.25-168,888.53-71,404.40

Finding the Fourth Proportional to 122,375.25, 168,888.53 and 71,404.40

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Solution

The fourth proportional to 122,375.25, 168,888.53 and 71,404.40 is: 98,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,375.25 : 168,888.53 = 71,404.40 : x
  2. Step 2: Convert to fraction form
    122,375.25/168,888.53 = 71,404.40/x
  3. Step 3: Cross multiply
    122,375.25x = 168,888.53 × 71,404.40
  4. Step 4: Simplify right side
    122,375.25x = 12,059,384,757.94
  5. Step 5: Solve for x
    x = 12,059,384,757.94/122,375.25
  6. Step 6: Final answer
    x = 98,544.31

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1.5x scale

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.