Home / 135,733.48-203,613.18-42,214.12

Finding the Fourth Proportional to 135,733.48, 203,613.18 and 42,214.12

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Solution

The fourth proportional to 135,733.48, 203,613.18 and 42,214.12 is: 63,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,733.48 : 203,613.18 = 42,214.12 : x
  2. Step 2: Convert to fraction form
    135,733.48/203,613.18 = 42,214.12/x
  3. Step 3: Cross multiply
    135,733.48x = 203,613.18 × 42,214.12
  4. Step 4: Simplify right side
    135,733.48x = 8,595,351,214.10
  5. Step 5: Solve for x
    x = 8,595,351,214.10/135,733.48
  6. Step 6: Final answer
    x = 63,325.21

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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.