Home / 122,115.72-183,180.51-37,887.87

Finding the Fourth Proportional to 122,115.72, 183,180.51 and 37,887.87

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Solution

The fourth proportional to 122,115.72, 183,180.51 and 37,887.87 is: 56,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,115.72 : 183,180.51 = 37,887.87 : x
  2. Step 2: Convert to fraction form
    122,115.72/183,180.51 = 37,887.87/x
  3. Step 3: Cross multiply
    122,115.72x = 183,180.51 × 37,887.87
  4. Step 4: Simplify right side
    122,115.72x = 6,940,319,349.41
  5. Step 5: Solve for x
    x = 6,940,319,349.41/122,115.72
  6. Step 6: Final answer
    x = 56,833.96

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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.