Home / 166,779.08-230,152.33-90,297.55

Finding the Fourth Proportional to 166,779.08, 230,152.33 and 90,297.55

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Solution

The fourth proportional to 166,779.08, 230,152.33 and 90,297.55 is: 124,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,779.08 : 230,152.33 = 90,297.55 : x
  2. Step 2: Convert to fraction form
    166,779.08/230,152.33 = 90,297.55/x
  3. Step 3: Cross multiply
    166,779.08x = 230,152.33 × 90,297.55
  4. Step 4: Simplify right side
    166,779.08x = 20,782,190,724.67
  5. Step 5: Solve for x
    x = 20,782,190,724.67/166,779.08
  6. Step 6: Final answer
    x = 124,609.10

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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.