Home / 166,871.42-250,132.17-78,050.06

Finding the Fourth Proportional to 166,871.42, 250,132.17 and 78,050.06

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Solution

The fourth proportional to 166,871.42, 250,132.17 and 78,050.06 is: 116,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,871.42 : 250,132.17 = 78,050.06 : x
  2. Step 2: Convert to fraction form
    166,871.42/250,132.17 = 78,050.06/x
  3. Step 3: Cross multiply
    166,871.42x = 250,132.17 × 78,050.06
  4. Step 4: Simplify right side
    166,871.42x = 19,522,831,794.45
  5. Step 5: Solve for x
    x = 19,522,831,794.45/166,871.42
  6. Step 6: Final answer
    x = 116,993.26

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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.