Home / 181,555.45-250,542.92-100,981.24

Finding the Fourth Proportional to 181,555.45, 250,542.92 and 100,981.24

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Solution

The fourth proportional to 181,555.45, 250,542.92 and 100,981.24 is: 139,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,555.45 : 250,542.92 = 100,981.24 : x
  2. Step 2: Convert to fraction form
    181,555.45/250,542.92 = 100,981.24/x
  3. Step 3: Cross multiply
    181,555.45x = 250,542.92 × 100,981.24
  4. Step 4: Simplify right side
    181,555.45x = 25,300,134,360.92
  5. Step 5: Solve for x
    x = 25,300,134,360.92/181,555.45
  6. Step 6: Final answer
    x = 139,352.11

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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.