Home / 101,490.48-152,250.28-31,375.26

Finding the Fourth Proportional to 101,490.48, 152,250.28 and 31,375.26

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Solution

The fourth proportional to 101,490.48, 152,250.28 and 31,375.26 is: 47,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,490.48 : 152,250.28 = 31,375.26 : x
  2. Step 2: Convert to fraction form
    101,490.48/152,250.28 = 31,375.26/x
  3. Step 3: Cross multiply
    101,490.48x = 152,250.28 × 31,375.26
  4. Step 4: Simplify right side
    101,490.48x = 4,776,892,120.07
  5. Step 5: Solve for x
    x = 4,776,892,120.07/101,490.48
  6. Step 6: Final answer
    x = 47,067.39

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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.