Home / 157,520.82-236,249-45,170.94

Finding the Fourth Proportional to 157,520.82, 236,249 and 45,170.94

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Solution

The fourth proportional to 157,520.82, 236,249 and 45,170.94 is: 67,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520.82 : 236,249 = 45,170.94 : x
  2. Step 2: Convert to fraction form
    157,520.82/236,249 = 45,170.94/x
  3. Step 3: Cross multiply
    157,520.82x = 236,249 × 45,170.94
  4. Step 4: Simplify right side
    157,520.82x = 10,671,589,404.06
  5. Step 5: Solve for x
    x = 10,671,589,404.06/157,520.82
  6. Step 6: Final answer
    x = 67,747.17

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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.