Home / 250,349.67-345,496.37-142,954.20

Finding the Fourth Proportional to 250,349.67, 345,496.37 and 142,954.20

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Solution

The fourth proportional to 250,349.67, 345,496.37 and 142,954.20 is: 197,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,349.67 : 345,496.37 = 142,954.20 : x
  2. Step 2: Convert to fraction form
    250,349.67/345,496.37 = 142,954.20/x
  3. Step 3: Cross multiply
    250,349.67x = 345,496.37 × 142,954.20
  4. Step 4: Simplify right side
    250,349.67x = 49,390,157,176.25
  5. Step 5: Solve for x
    x = 49,390,157,176.25/250,349.67
  6. Step 6: Final answer
    x = 197,284.69

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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.