Home / 100,175.12-150,274.52-62,738.29

Finding the Fourth Proportional to 100,175.12, 150,274.52 and 62,738.29

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Solution

The fourth proportional to 100,175.12, 150,274.52 and 62,738.29 is: 94,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,175.12 : 150,274.52 = 62,738.29 : x
  2. Step 2: Convert to fraction form
    100,175.12/150,274.52 = 62,738.29/x
  3. Step 3: Cross multiply
    100,175.12x = 150,274.52 × 62,738.29
  4. Step 4: Simplify right side
    100,175.12x = 9,427,966,415.37
  5. Step 5: Solve for x
    x = 9,427,966,415.37/100,175.12
  6. Step 6: Final answer
    x = 94,114.85

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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.