Home / 120,665.72-181,024.58-36,418.84

Finding the Fourth Proportional to 120,665.72, 181,024.58 and 36,418.84

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Solution

The fourth proportional to 120,665.72, 181,024.58 and 36,418.84 is: 54,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,665.72 : 181,024.58 = 36,418.84 : x
  2. Step 2: Convert to fraction form
    120,665.72/181,024.58 = 36,418.84/x
  3. Step 3: Cross multiply
    120,665.72x = 181,024.58 × 36,418.84
  4. Step 4: Simplify right side
    120,665.72x = 6,592,705,215.09
  5. Step 5: Solve for x
    x = 6,592,705,215.09/120,665.72
  6. Step 6: Final answer
    x = 54,636.11

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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.