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Finding the Fourth Proportional to 150,393.42, 207,536.79 and 89,928.39

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Solution

The fourth proportional to 150,393.42, 207,536.79 and 89,928.39 is: 124,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,393.42 : 207,536.79 = 89,928.39 : x
  2. Step 2: Convert to fraction form
    150,393.42/207,536.79 = 89,928.39/x
  3. Step 3: Cross multiply
    150,393.42x = 207,536.79 × 89,928.39
  4. Step 4: Simplify right side
    150,393.42x = 18,663,449,390.47
  5. Step 5: Solve for x
    x = 18,663,449,390.47/150,393.42
  6. Step 6: Final answer
    x = 124,097.51

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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.