Home / 166,872.94-230,283.28-90,390.26

Finding the Fourth Proportional to 166,872.94, 230,283.28 and 90,390.26

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Solution

The fourth proportional to 166,872.94, 230,283.28 and 90,390.26 is: 124,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,872.94 : 230,283.28 = 90,390.26 : x
  2. Step 2: Convert to fraction form
    166,872.94/230,283.28 = 90,390.26/x
  3. Step 3: Cross multiply
    166,872.94x = 230,283.28 × 90,390.26
  4. Step 4: Simplify right side
    166,872.94x = 20,815,365,552.85
  5. Step 5: Solve for x
    x = 20,815,365,552.85/166,872.94
  6. Step 6: Final answer
    x = 124,737.81

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1.5x scale

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.