Home / 120,932.12-181,096.50-76,424.60

Finding the Fourth Proportional to 120,932.12, 181,096.50 and 76,424.60

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Solution

The fourth proportional to 120,932.12, 181,096.50 and 76,424.60 is: 114,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.12 : 181,096.50 = 76,424.60 : x
  2. Step 2: Convert to fraction form
    120,932.12/181,096.50 = 76,424.60/x
  3. Step 3: Cross multiply
    120,932.12x = 181,096.50 × 76,424.60
  4. Step 4: Simplify right side
    120,932.12x = 13,840,227,573.90
  5. Step 5: Solve for x
    x = 13,840,227,573.90/120,932.12
  6. Step 6: Final answer
    x = 114,446.25

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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.