Home / 122,155.24-183,187.83-42,172.85

Finding the Fourth Proportional to 122,155.24, 183,187.83 and 42,172.85

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Solution

The fourth proportional to 122,155.24, 183,187.83 and 42,172.85 is: 63,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,155.24 : 183,187.83 = 42,172.85 : x
  2. Step 2: Convert to fraction form
    122,155.24/183,187.83 = 42,172.85/x
  3. Step 3: Cross multiply
    122,155.24x = 183,187.83 × 42,172.85
  4. Step 4: Simplify right side
    122,155.24x = 7,725,553,255.31
  5. Step 5: Solve for x
    x = 7,725,553,255.31/122,155.24
  6. Step 6: Final answer
    x = 63,243.73

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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.