Home / 166,763.48-230,131.96-90,280.56

Finding the Fourth Proportional to 166,763.48, 230,131.96 and 90,280.56

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Solution

The fourth proportional to 166,763.48, 230,131.96 and 90,280.56 is: 124,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,763.48 : 230,131.96 = 90,280.56 : x
  2. Step 2: Convert to fraction form
    166,763.48/230,131.96 = 90,280.56/x
  3. Step 3: Cross multiply
    166,763.48x = 230,131.96 × 90,280.56
  4. Step 4: Simplify right side
    166,763.48x = 20,776,441,819.41
  5. Step 5: Solve for x
    x = 20,776,441,819.41/166,763.48
  6. Step 6: Final answer
    x = 124,586.28

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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.