Home / 150,176.76-225,264.96-69,115.64

Finding the Fourth Proportional to 150,176.76, 225,264.96 and 69,115.64

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Solution

The fourth proportional to 150,176.76, 225,264.96 and 69,115.64 is: 103,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,176.76 : 225,264.96 = 69,115.64 : x
  2. Step 2: Convert to fraction form
    150,176.76/225,264.96 = 69,115.64/x
  3. Step 3: Cross multiply
    150,176.76x = 225,264.96 × 69,115.64
  4. Step 4: Simplify right side
    150,176.76x = 15,569,331,879.97
  5. Step 5: Solve for x
    x = 15,569,331,879.97/150,176.76
  6. Step 6: Final answer
    x = 103,673.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.