Home / 76,332.86-114,486.15-20,173.58

Finding the Fourth Proportional to 76,332.86, 114,486.15 and 20,173.58

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Solution

The fourth proportional to 76,332.86, 114,486.15 and 20,173.58 is: 30,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,332.86 : 114,486.15 = 20,173.58 : x
  2. Step 2: Convert to fraction form
    76,332.86/114,486.15 = 20,173.58/x
  3. Step 3: Cross multiply
    76,332.86x = 114,486.15 × 20,173.58
  4. Step 4: Simplify right side
    76,332.86x = 2,309,595,505.92
  5. Step 5: Solve for x
    x = 2,309,595,505.92/76,332.86
  6. Step 6: Final answer
    x = 30,256.90

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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.