Home / 74,200.64-111,302.18-20,893.90

Finding the Fourth Proportional to 74,200.64, 111,302.18 and 20,893.90

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Solution

The fourth proportional to 74,200.64, 111,302.18 and 20,893.90 is: 31,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.64 : 111,302.18 = 20,893.90 : x
  2. Step 2: Convert to fraction form
    74,200.64/111,302.18 = 20,893.90/x
  3. Step 3: Cross multiply
    74,200.64x = 111,302.18 × 20,893.90
  4. Step 4: Simplify right side
    74,200.64x = 2,325,536,618.70
  5. Step 5: Solve for x
    x = 2,325,536,618.70/74,200.64
  6. Step 6: Final answer
    x = 31,341.19

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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.