Home / 99,961.44-149,971.26-47,298.48

Finding the Fourth Proportional to 99,961.44, 149,971.26 and 47,298.48

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Solution

The fourth proportional to 99,961.44, 149,971.26 and 47,298.48 is: 70,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961.44 : 149,971.26 = 47,298.48 : x
  2. Step 2: Convert to fraction form
    99,961.44/149,971.26 = 47,298.48/x
  3. Step 3: Cross multiply
    99,961.44x = 149,971.26 × 47,298.48
  4. Step 4: Simplify right side
    99,961.44x = 7,093,412,641.68
  5. Step 5: Solve for x
    x = 7,093,412,641.68/99,961.44
  6. Step 6: Final answer
    x = 70,961.49

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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.