Home / 166,741.45-230,103.32-90,260.30

Finding the Fourth Proportional to 166,741.45, 230,103.32 and 90,260.30

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Solution

The fourth proportional to 166,741.45, 230,103.32 and 90,260.30 is: 124,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,741.45 : 230,103.32 = 90,260.30 : x
  2. Step 2: Convert to fraction form
    166,741.45/230,103.32 = 90,260.30/x
  3. Step 3: Cross multiply
    166,741.45x = 230,103.32 × 90,260.30
  4. Step 4: Simplify right side
    166,741.45x = 20,769,194,242.89
  5. Step 5: Solve for x
    x = 20,769,194,242.89/166,741.45
  6. Step 6: Final answer
    x = 124,559.28

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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.