Home / 120,521.93-166,330.46-66,823.79

Finding the Fourth Proportional to 120,521.93, 166,330.46 and 66,823.79

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Solution

The fourth proportional to 120,521.93, 166,330.46 and 66,823.79 is: 92,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,521.93 : 166,330.46 = 66,823.79 : x
  2. Step 2: Convert to fraction form
    120,521.93/166,330.46 = 66,823.79/x
  3. Step 3: Cross multiply
    120,521.93x = 166,330.46 × 66,823.79
  4. Step 4: Simplify right side
    120,521.93x = 11,114,831,065.05
  5. Step 5: Solve for x
    x = 11,114,831,065.05/120,521.93
  6. Step 6: Final answer
    x = 92,222.48

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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.