Home / 135,485.18-203,172.14-40,682.24

Finding the Fourth Proportional to 135,485.18, 203,172.14 and 40,682.24

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Solution

The fourth proportional to 135,485.18, 203,172.14 and 40,682.24 is: 61,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,485.18 : 203,172.14 = 40,682.24 : x
  2. Step 2: Convert to fraction form
    135,485.18/203,172.14 = 40,682.24/x
  3. Step 3: Cross multiply
    135,485.18x = 203,172.14 × 40,682.24
  4. Step 4: Simplify right side
    135,485.18x = 8,265,497,760.79
  5. Step 5: Solve for x
    x = 8,265,497,760.79/135,485.18
  6. Step 6: Final answer
    x = 61,006.66

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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.