Home / 122,654.37-183,614.85-75,119.79

Finding the Fourth Proportional to 122,654.37, 183,614.85 and 75,119.79

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Solution

The fourth proportional to 122,654.37, 183,614.85 and 75,119.79 is: 112,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,654.37 : 183,614.85 = 75,119.79 : x
  2. Step 2: Convert to fraction form
    122,654.37/183,614.85 = 75,119.79/x
  3. Step 3: Cross multiply
    122,654.37x = 183,614.85 × 75,119.79
  4. Step 4: Simplify right side
    122,654.37x = 13,793,108,972.88
  5. Step 5: Solve for x
    x = 13,793,108,972.88/122,654.37
  6. Step 6: Final answer
    x = 112,455.10

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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.