Home / 135,175.90-202,468.53-68,501.56

Finding the Fourth Proportional to 135,175.90, 202,468.53 and 68,501.56

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Solution

The fourth proportional to 135,175.90, 202,468.53 and 68,501.56 is: 102,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,175.90 : 202,468.53 = 68,501.56 : x
  2. Step 2: Convert to fraction form
    135,175.90/202,468.53 = 68,501.56/x
  3. Step 3: Cross multiply
    135,175.90x = 202,468.53 × 68,501.56
  4. Step 4: Simplify right side
    135,175.90x = 13,869,410,155.91
  5. Step 5: Solve for x
    x = 13,869,410,155.91/135,175.90
  6. Step 6: Final answer
    x = 102,602.68

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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.