Home / 122,005.38-182,972.87-42,040.09

Finding the Fourth Proportional to 122,005.38, 182,972.87 and 42,040.09

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Solution

The fourth proportional to 122,005.38, 182,972.87 and 42,040.09 is: 63,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.38 : 182,972.87 = 42,040.09 : x
  2. Step 2: Convert to fraction form
    122,005.38/182,972.87 = 42,040.09/x
  3. Step 3: Cross multiply
    122,005.38x = 182,972.87 × 42,040.09
  4. Step 4: Simplify right side
    122,005.38x = 7,692,195,922.36
  5. Step 5: Solve for x
    x = 7,692,195,922.36/122,005.38
  6. Step 6: Final answer
    x = 63,048.01

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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.