Home / 122,377.72-183,584.08-54,065.36

Finding the Fourth Proportional to 122,377.72, 183,584.08 and 54,065.36

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Solution

The fourth proportional to 122,377.72, 183,584.08 and 54,065.36 is: 81,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377.72 : 183,584.08 = 54,065.36 : x
  2. Step 2: Convert to fraction form
    122,377.72/183,584.08 = 54,065.36/x
  3. Step 3: Cross multiply
    122,377.72x = 183,584.08 × 54,065.36
  4. Step 4: Simplify right side
    122,377.72x = 9,925,539,375.47
  5. Step 5: Solve for x
    x = 9,925,539,375.47/122,377.72
  6. Step 6: Final answer
    x = 81,105.77

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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.