Home / 122,459.31-183,759.89-51,375.65

Finding the Fourth Proportional to 122,459.31, 183,759.89 and 51,375.65

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Solution

The fourth proportional to 122,459.31, 183,759.89 and 51,375.65 is: 77,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.31 : 183,759.89 = 51,375.65 : x
  2. Step 2: Convert to fraction form
    122,459.31/183,759.89 = 51,375.65/x
  3. Step 3: Cross multiply
    122,459.31x = 183,759.89 × 51,375.65
  4. Step 4: Simplify right side
    122,459.31x = 9,440,782,617.00
  5. Step 5: Solve for x
    x = 9,440,782,617.00/122,459.31
  6. Step 6: Final answer
    x = 77,093.22

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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.