Home / 110,772.55-166,128.25-47,590.12

Finding the Fourth Proportional to 110,772.55, 166,128.25 and 47,590.12

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Solution

The fourth proportional to 110,772.55, 166,128.25 and 47,590.12 is: 71,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,772.55 : 166,128.25 = 47,590.12 : x
  2. Step 2: Convert to fraction form
    110,772.55/166,128.25 = 47,590.12/x
  3. Step 3: Cross multiply
    110,772.55x = 166,128.25 × 47,590.12
  4. Step 4: Simplify right side
    110,772.55x = 7,906,063,352.89
  5. Step 5: Solve for x
    x = 7,906,063,352.89/110,772.55
  6. Step 6: Final answer
    x = 71,372.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.