Home / 76,137.42-114,197.92-19,983.16

Finding the Fourth Proportional to 76,137.42, 114,197.92 and 19,983.16

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Solution

The fourth proportional to 76,137.42, 114,197.92 and 19,983.16 is: 29,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.42 : 114,197.92 = 19,983.16 : x
  2. Step 2: Convert to fraction form
    76,137.42/114,197.92 = 19,983.16/x
  3. Step 3: Cross multiply
    76,137.42x = 114,197.92 × 19,983.16
  4. Step 4: Simplify right side
    76,137.42x = 2,282,035,307.03
  5. Step 5: Solve for x
    x = 2,282,035,307.03/76,137.42
  6. Step 6: Final answer
    x = 29,972.59

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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.