Home / 74,764.38-112,146.84-22,174.32

Finding the Fourth Proportional to 74,764.38, 112,146.84 and 22,174.32

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Solution

The fourth proportional to 74,764.38, 112,146.84 and 22,174.32 is: 33,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,764.38 : 112,146.84 = 22,174.32 : x
  2. Step 2: Convert to fraction form
    74,764.38/112,146.84 = 22,174.32/x
  3. Step 3: Cross multiply
    74,764.38x = 112,146.84 × 22,174.32
  4. Step 4: Simplify right side
    74,764.38x = 2,486,779,917.15
  5. Step 5: Solve for x
    x = 2,486,779,917.15/74,764.38
  6. Step 6: Final answer
    x = 33,261.56

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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.