Home / 150,587.03-207,775.25-90,134.70

Finding the Fourth Proportional to 150,587.03, 207,775.25 and 90,134.70

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Solution

The fourth proportional to 150,587.03, 207,775.25 and 90,134.70 is: 124,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,587.03 : 207,775.25 = 90,134.70 : x
  2. Step 2: Convert to fraction form
    150,587.03/207,775.25 = 90,134.70/x
  3. Step 3: Cross multiply
    150,587.03x = 207,775.25 × 90,134.70
  4. Step 4: Simplify right side
    150,587.03x = 18,727,759,375.50
  5. Step 5: Solve for x
    x = 18,727,759,375.50/150,587.03
  6. Step 6: Final answer
    x = 124,365.03

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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.