Home / 181,399.68-250,328.32-100,825.76

Finding the Fourth Proportional to 181,399.68, 250,328.32 and 100,825.76

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Solution

The fourth proportional to 181,399.68, 250,328.32 and 100,825.76 is: 139,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,399.68 : 250,328.32 = 100,825.76 : x
  2. Step 2: Convert to fraction form
    181,399.68/250,328.32 = 100,825.76/x
  3. Step 3: Cross multiply
    181,399.68x = 250,328.32 × 100,825.76
  4. Step 4: Simplify right side
    181,399.68x = 25,239,543,113.52
  5. Step 5: Solve for x
    x = 25,239,543,113.52/181,399.68
  6. Step 6: Final answer
    x = 139,137.75

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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.