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Finding the Fourth Proportional to 150,362.82, 207,500.86 and 81,452.45

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Solution

The fourth proportional to 150,362.82, 207,500.86 and 81,452.45 is: 112,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,362.82 : 207,500.86 = 81,452.45 : x
  2. Step 2: Convert to fraction form
    150,362.82/207,500.86 = 81,452.45/x
  3. Step 3: Cross multiply
    150,362.82x = 207,500.86 × 81,452.45
  4. Step 4: Simplify right side
    150,362.82x = 16,901,452,701.72
  5. Step 5: Solve for x
    x = 16,901,452,701.72/150,362.82
  6. Step 6: Final answer
    x = 112,404.47

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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.