Home / 150,207.78-207,272.69-89,766.42

Finding the Fourth Proportional to 150,207.78, 207,272.69 and 89,766.42

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Solution

The fourth proportional to 150,207.78, 207,272.69 and 89,766.42 is: 123,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,207.78 : 207,272.69 = 89,766.42 : x
  2. Step 2: Convert to fraction form
    150,207.78/207,272.69 = 89,766.42/x
  3. Step 3: Cross multiply
    150,207.78x = 207,272.69 × 89,766.42
  4. Step 4: Simplify right side
    150,207.78x = 18,606,127,345.07
  5. Step 5: Solve for x
    x = 18,606,127,345.07/150,207.78
  6. Step 6: Final answer
    x = 123,869.27

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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.