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Finding the Fourth Proportional to 150,496.65, 207,656.13 and 89,231.52

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Solution

The fourth proportional to 150,496.65, 207,656.13 and 89,231.52 is: 123,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,496.65 : 207,656.13 = 89,231.52 : x
  2. Step 2: Convert to fraction form
    150,496.65/207,656.13 = 89,231.52/x
  3. Step 3: Cross multiply
    150,496.65x = 207,656.13 × 89,231.52
  4. Step 4: Simplify right side
    150,496.65x = 18,529,471,671.06
  5. Step 5: Solve for x
    x = 18,529,471,671.06/150,496.65
  6. Step 6: Final answer
    x = 123,122.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.