Home / 120,544.79-166,355.76-66,834.81

Finding the Fourth Proportional to 120,544.79, 166,355.76 and 66,834.81

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Solution

The fourth proportional to 120,544.79, 166,355.76 and 66,834.81 is: 92,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,544.79 : 166,355.76 = 66,834.81 : x
  2. Step 2: Convert to fraction form
    120,544.79/166,355.76 = 66,834.81/x
  3. Step 3: Cross multiply
    120,544.79x = 166,355.76 × 66,834.81
  4. Step 4: Simplify right side
    120,544.79x = 11,118,355,612.01
  5. Step 5: Solve for x
    x = 11,118,355,612.01/120,544.79
  6. Step 6: Final answer
    x = 92,234.23

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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.