Home / 166,742.20-230,104.35-90,261.05

Finding the Fourth Proportional to 166,742.20, 230,104.35 and 90,261.05

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Solution

The fourth proportional to 166,742.20, 230,104.35 and 90,261.05 is: 124,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.20 : 230,104.35 = 90,261.05 : x
  2. Step 2: Convert to fraction form
    166,742.20/230,104.35 = 90,261.05/x
  3. Step 3: Cross multiply
    166,742.20x = 230,104.35 × 90,261.05
  4. Step 4: Simplify right side
    166,742.20x = 20,769,460,240.57
  5. Step 5: Solve for x
    x = 20,769,460,240.57/166,742.20
  6. Step 6: Final answer
    x = 124,560.31

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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.