Home / 122,005.03-183,022.31-43,103.11

Finding the Fourth Proportional to 122,005.03, 183,022.31 and 43,103.11

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Solution

The fourth proportional to 122,005.03, 183,022.31 and 43,103.11 is: 64,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.03 : 183,022.31 = 43,103.11 : x
  2. Step 2: Convert to fraction form
    122,005.03/183,022.31 = 43,103.11/x
  3. Step 3: Cross multiply
    122,005.03x = 183,022.31 × 43,103.11
  4. Step 4: Simplify right side
    122,005.03x = 7,888,830,760.38
  5. Step 5: Solve for x
    x = 7,888,830,760.38/122,005.03
  6. Step 6: Final answer
    x = 64,659.88

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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.