Home / 76,135.14-114,229.76-34,011.36

Finding the Fourth Proportional to 76,135.14, 114,229.76 and 34,011.36

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Solution

The fourth proportional to 76,135.14, 114,229.76 and 34,011.36 is: 51,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.14 : 114,229.76 = 34,011.36 : x
  2. Step 2: Convert to fraction form
    76,135.14/114,229.76 = 34,011.36/x
  3. Step 3: Cross multiply
    76,135.14x = 114,229.76 × 34,011.36
  4. Step 4: Simplify right side
    76,135.14x = 3,885,109,320.02
  5. Step 5: Solve for x
    x = 3,885,109,320.02/76,135.14
  6. Step 6: Final answer
    x = 51,029.12

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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.