Home / 150,275.54-207,380.57-81,365.74

Finding the Fourth Proportional to 150,275.54, 207,380.57 and 81,365.74

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Solution

The fourth proportional to 150,275.54, 207,380.57 and 81,365.74 is: 112,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,275.54 : 207,380.57 = 81,365.74 : x
  2. Step 2: Convert to fraction form
    150,275.54/207,380.57 = 81,365.74/x
  3. Step 3: Cross multiply
    150,275.54x = 207,380.57 × 81,365.74
  4. Step 4: Simplify right side
    150,275.54x = 16,873,672,614.39
  5. Step 5: Solve for x
    x = 16,873,672,614.39/150,275.54
  6. Step 6: Final answer
    x = 112,284.89

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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.