Home / 121,311.18-182,096.16-107,359.94

Finding the Fourth Proportional to 121,311.18, 182,096.16 and 107,359.94

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Solution

The fourth proportional to 121,311.18, 182,096.16 and 107,359.94 is: 161,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.18 : 182,096.16 = 107,359.94 : x
  2. Step 2: Convert to fraction form
    121,311.18/182,096.16 = 107,359.94/x
  3. Step 3: Cross multiply
    121,311.18x = 182,096.16 × 107,359.94
  4. Step 4: Simplify right side
    121,311.18x = 19,549,832,811.83
  5. Step 5: Solve for x
    x = 19,549,832,811.83/121,311.18
  6. Step 6: Final answer
    x = 161,154.42

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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.