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Finding the Fourth Proportional to 150,505.62, 207,694.71 and 83,437.62

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Solution

The fourth proportional to 150,505.62, 207,694.71 and 83,437.62 is: 115,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,505.62 : 207,694.71 = 83,437.62 : x
  2. Step 2: Convert to fraction form
    150,505.62/207,694.71 = 83,437.62/x
  3. Step 3: Cross multiply
    150,505.62x = 207,694.71 × 83,437.62
  4. Step 4: Simplify right side
    150,505.62x = 17,329,552,288.99
  5. Step 5: Solve for x
    x = 17,329,552,288.99/150,505.62
  6. Step 6: Final answer
    x = 115,142.23

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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.