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Finding the Fourth Proportional to 150,107.74, 207,114.76 and 89,666.55

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Solution

The fourth proportional to 150,107.74, 207,114.76 and 89,666.55 is: 123,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,107.74 : 207,114.76 = 89,666.55 : x
  2. Step 2: Convert to fraction form
    150,107.74/207,114.76 = 89,666.55/x
  3. Step 3: Cross multiply
    150,107.74x = 207,114.76 × 89,666.55
  4. Step 4: Simplify right side
    150,107.74x = 18,571,265,983.28
  5. Step 5: Solve for x
    x = 18,571,265,983.28/150,107.74
  6. Step 6: Final answer
    x = 123,719.58

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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.