Home / 154,588-231,796.80-47,942.44

Finding the Fourth Proportional to 154,588, 231,796.80 and 47,942.44

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Solution

The fourth proportional to 154,588, 231,796.80 and 47,942.44 is: 71,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588 : 231,796.80 = 47,942.44 : x
  2. Step 2: Convert to fraction form
    154,588/231,796.80 = 47,942.44/x
  3. Step 3: Cross multiply
    154,588x = 231,796.80 × 47,942.44
  4. Step 4: Simplify right side
    154,588x = 11,112,904,176.19
  5. Step 5: Solve for x
    x = 11,112,904,176.19/154,588
  6. Step 6: Final answer
    x = 71,887.24

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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.