Home / 150,549.48-207,728.82-89,284.32

Finding the Fourth Proportional to 150,549.48, 207,728.82 and 89,284.32

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Solution

The fourth proportional to 150,549.48, 207,728.82 and 89,284.32 is: 123,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.48 : 207,728.82 = 89,284.32 : x
  2. Step 2: Convert to fraction form
    150,549.48/207,728.82 = 89,284.32/x
  3. Step 3: Cross multiply
    150,549.48x = 207,728.82 × 89,284.32
  4. Step 4: Simplify right side
    150,549.48x = 18,546,926,438.10
  5. Step 5: Solve for x
    x = 18,546,926,438.10/150,549.48
  6. Step 6: Final answer
    x = 123,194.89

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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.