Home / 111,379.20-167,066.40-74,177.60

Finding the Fourth Proportional to 111,379.20, 167,066.40 and 74,177.60

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Solution

The fourth proportional to 111,379.20, 167,066.40 and 74,177.60 is: 111,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379.20 : 167,066.40 = 74,177.60 : x
  2. Step 2: Convert to fraction form
    111,379.20/167,066.40 = 74,177.60/x
  3. Step 3: Cross multiply
    111,379.20x = 167,066.40 × 74,177.60
  4. Step 4: Simplify right side
    111,379.20x = 12,392,584,592.64
  5. Step 5: Solve for x
    x = 12,392,584,592.64/111,379.20
  6. Step 6: Final answer
    x = 111,264.80

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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.