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Finding the Fourth Proportional to 250,125.80, 345,173.80 and 135,404.10

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Solution

The fourth proportional to 250,125.80, 345,173.80 and 135,404.10 is: 186,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,125.80 : 345,173.80 = 135,404.10 : x
  2. Step 2: Convert to fraction form
    250,125.80/345,173.80 = 135,404.10/x
  3. Step 3: Cross multiply
    250,125.80x = 345,173.80 × 135,404.10
  4. Step 4: Simplify right side
    250,125.80x = 46,737,947,732.58
  5. Step 5: Solve for x
    x = 46,737,947,732.58/250,125.80
  6. Step 6: Final answer
    x = 186,857.76

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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.