Home / 120,761.62-181,216.14-76,327.18

Finding the Fourth Proportional to 120,761.62, 181,216.14 and 76,327.18

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Solution

The fourth proportional to 120,761.62, 181,216.14 and 76,327.18 is: 114,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,761.62 : 181,216.14 = 76,327.18 : x
  2. Step 2: Convert to fraction form
    120,761.62/181,216.14 = 76,327.18/x
  3. Step 3: Cross multiply
    120,761.62x = 181,216.14 × 76,327.18
  4. Step 4: Simplify right side
    120,761.62x = 13,831,716,936.69
  5. Step 5: Solve for x
    x = 13,831,716,936.69/120,761.62
  6. Step 6: Final answer
    x = 114,537.36

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1.5x scale

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.