Home / 142,027.43-213,039.32-40,827.87

Finding the Fourth Proportional to 142,027.43, 213,039.32 and 40,827.87

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Solution

The fourth proportional to 142,027.43, 213,039.32 and 40,827.87 is: 61,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027.43 : 213,039.32 = 40,827.87 : x
  2. Step 2: Convert to fraction form
    142,027.43/213,039.32 = 40,827.87/x
  3. Step 3: Cross multiply
    142,027.43x = 213,039.32 × 40,827.87
  4. Step 4: Simplify right side
    142,027.43x = 8,697,942,056.88
  5. Step 5: Solve for x
    x = 8,697,942,056.88/142,027.43
  6. Step 6: Final answer
    x = 61,241.29

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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.