Home / 150,592.54-207,782.82-90,140.20

Finding the Fourth Proportional to 150,592.54, 207,782.82 and 90,140.20

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Solution

The fourth proportional to 150,592.54, 207,782.82 and 90,140.20 is: 124,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,592.54 : 207,782.82 = 90,140.20 : x
  2. Step 2: Convert to fraction form
    150,592.54/207,782.82 = 90,140.20/x
  3. Step 3: Cross multiply
    150,592.54x = 207,782.82 × 90,140.20
  4. Step 4: Simplify right side
    150,592.54x = 18,729,584,951.36
  5. Step 5: Solve for x
    x = 18,729,584,951.36/150,592.54
  6. Step 6: Final answer
    x = 124,372.59

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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.