Home / 124,631.08-171,874.02-82,115.56

Finding the Fourth Proportional to 124,631.08, 171,874.02 and 82,115.56

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Solution

The fourth proportional to 124,631.08, 171,874.02 and 82,115.56 is: 113,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.08 : 171,874.02 = 82,115.56 : x
  2. Step 2: Convert to fraction form
    124,631.08/171,874.02 = 82,115.56/x
  3. Step 3: Cross multiply
    124,631.08x = 171,874.02 × 82,115.56
  4. Step 4: Simplify right side
    124,631.08x = 14,113,531,401.75
  5. Step 5: Solve for x
    x = 14,113,531,401.75/124,631.08
  6. Step 6: Final answer
    x = 113,242.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.