Home / 174,169.16-261,844.32-139,078.76

Finding the Fourth Proportional to 174,169.16, 261,844.32 and 139,078.76

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Solution

The fourth proportional to 174,169.16, 261,844.32 and 139,078.76 is: 209,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,169.16 : 261,844.32 = 139,078.76 : x
  2. Step 2: Convert to fraction form
    174,169.16/261,844.32 = 139,078.76/x
  3. Step 3: Cross multiply
    174,169.16x = 261,844.32 × 139,078.76
  4. Step 4: Simplify right side
    174,169.16x = 36,416,983,338.64
  5. Step 5: Solve for x
    x = 36,416,983,338.64/174,169.16
  6. Step 6: Final answer
    x = 209,089.73

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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.