Home / 166,958.10-230,401.74-90,479.32

Finding the Fourth Proportional to 166,958.10, 230,401.74 and 90,479.32

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Solution

The fourth proportional to 166,958.10, 230,401.74 and 90,479.32 is: 124,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,958.10 : 230,401.74 = 90,479.32 : x
  2. Step 2: Convert to fraction form
    166,958.10/230,401.74 = 90,479.32/x
  3. Step 3: Cross multiply
    166,958.10x = 230,401.74 × 90,479.32
  4. Step 4: Simplify right side
    166,958.10x = 20,846,592,762.02
  5. Step 5: Solve for x
    x = 20,846,592,762.02/166,958.10
  6. Step 6: Final answer
    x = 124,861.22

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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.