Home / 166,761.08-250,153.31-66,921.34

Finding the Fourth Proportional to 166,761.08, 250,153.31 and 66,921.34

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Solution

The fourth proportional to 166,761.08, 250,153.31 and 66,921.34 is: 100,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,761.08 : 250,153.31 = 66,921.34 : x
  2. Step 2: Convert to fraction form
    166,761.08/250,153.31 = 66,921.34/x
  3. Step 3: Cross multiply
    166,761.08x = 250,153.31 × 66,921.34
  4. Step 4: Simplify right side
    166,761.08x = 16,740,594,721.59
  5. Step 5: Solve for x
    x = 16,740,594,721.59/166,761.08
  6. Step 6: Final answer
    x = 100,386.70

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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.