Home / 250,292.28-345,404.56-137,115.04

Finding the Fourth Proportional to 250,292.28, 345,404.56 and 137,115.04

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Solution

The fourth proportional to 250,292.28, 345,404.56 and 137,115.04 is: 189,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,292.28 : 345,404.56 = 137,115.04 : x
  2. Step 2: Convert to fraction form
    250,292.28/345,404.56 = 137,115.04/x
  3. Step 3: Cross multiply
    250,292.28x = 345,404.56 × 137,115.04
  4. Step 4: Simplify right side
    250,292.28x = 47,360,160,060.58
  5. Step 5: Solve for x
    x = 47,360,160,060.58/250,292.28
  6. Step 6: Final answer
    x = 189,219.42

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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.