Home / 135,536.96-187,134.36-103,650.32

Finding the Fourth Proportional to 135,536.96, 187,134.36 and 103,650.32

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Solution

The fourth proportional to 135,536.96, 187,134.36 and 103,650.32 is: 143,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,536.96 : 187,134.36 = 103,650.32 : x
  2. Step 2: Convert to fraction form
    135,536.96/187,134.36 = 103,650.32/x
  3. Step 3: Cross multiply
    135,536.96x = 187,134.36 × 103,650.32
  4. Step 4: Simplify right side
    135,536.96x = 19,396,536,297.00
  5. Step 5: Solve for x
    x = 19,396,536,297.00/135,536.96
  6. Step 6: Final answer
    x = 143,108.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.