Home / 250,126.74-345,209.31-153,388.44

Finding the Fourth Proportional to 250,126.74, 345,209.31 and 153,388.44

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Solution

The fourth proportional to 250,126.74, 345,209.31 and 153,388.44 is: 211,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,126.74 : 345,209.31 = 153,388.44 : x
  2. Step 2: Convert to fraction form
    250,126.74/345,209.31 = 153,388.44/x
  3. Step 3: Cross multiply
    250,126.74x = 345,209.31 × 153,388.44
  4. Step 4: Simplify right side
    250,126.74x = 52,951,117,534.38
  5. Step 5: Solve for x
    x = 52,951,117,534.38/250,126.74
  6. Step 6: Final answer
    x = 211,697.15

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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.