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Finding the Fourth Proportional to 150,456.60, 207,575.19 and 90,028.98

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Solution

The fourth proportional to 150,456.60, 207,575.19 and 90,028.98 is: 124,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,456.60 : 207,575.19 = 90,028.98 : x
  2. Step 2: Convert to fraction form
    150,456.60/207,575.19 = 90,028.98/x
  3. Step 3: Cross multiply
    150,456.60x = 207,575.19 × 90,028.98
  4. Step 4: Simplify right side
    150,456.60x = 18,687,782,629.01
  5. Step 5: Solve for x
    x = 18,687,782,629.01/150,456.60
  6. Step 6: Final answer
    x = 124,207.13

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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.