Home / 135,671.15-203,536.11-40,893.40

Finding the Fourth Proportional to 135,671.15, 203,536.11 and 40,893.40

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Solution

The fourth proportional to 135,671.15, 203,536.11 and 40,893.40 is: 61,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,671.15 : 203,536.11 = 40,893.40 : x
  2. Step 2: Convert to fraction form
    135,671.15/203,536.11 = 40,893.40/x
  3. Step 3: Cross multiply
    135,671.15x = 203,536.11 × 40,893.40
  4. Step 4: Simplify right side
    135,671.15x = 8,323,284,069.51
  5. Step 5: Solve for x
    x = 8,323,284,069.51/135,671.15
  6. Step 6: Final answer
    x = 61,348.96

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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.