Home / 204,767.37-307,005.48-78,301.08

Finding the Fourth Proportional to 204,767.37, 307,005.48 and 78,301.08

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Solution

The fourth proportional to 204,767.37, 307,005.48 and 78,301.08 is: 117,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,767.37 : 307,005.48 = 78,301.08 : x
  2. Step 2: Convert to fraction form
    204,767.37/307,005.48 = 78,301.08/x
  3. Step 3: Cross multiply
    204,767.37x = 307,005.48 × 78,301.08
  4. Step 4: Simplify right side
    204,767.37x = 24,038,860,649.92
  5. Step 5: Solve for x
    x = 24,038,860,649.92/204,767.37
  6. Step 6: Final answer
    x = 117,395.95

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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.