Home / 250,101.78-345,173.33-142,647.18

Finding the Fourth Proportional to 250,101.78, 345,173.33 and 142,647.18

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Solution

The fourth proportional to 250,101.78, 345,173.33 and 142,647.18 is: 196,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,101.78 : 345,173.33 = 142,647.18 : x
  2. Step 2: Convert to fraction form
    250,101.78/345,173.33 = 142,647.18/x
  3. Step 3: Cross multiply
    250,101.78x = 345,173.33 × 142,647.18
  4. Step 4: Simplify right side
    250,101.78x = 49,238,001,422.47
  5. Step 5: Solve for x
    x = 49,238,001,422.47/250,101.78
  6. Step 6: Final answer
    x = 196,871.86

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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.