Home / 135,021.60-202,513.20-46,279.20

Finding the Fourth Proportional to 135,021.60, 202,513.20 and 46,279.20

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Solution

The fourth proportional to 135,021.60, 202,513.20 and 46,279.20 is: 69,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,021.60 : 202,513.20 = 46,279.20 : x
  2. Step 2: Convert to fraction form
    135,021.60/202,513.20 = 46,279.20/x
  3. Step 3: Cross multiply
    135,021.60x = 202,513.20 × 46,279.20
  4. Step 4: Simplify right side
    135,021.60x = 9,372,148,885.44
  5. Step 5: Solve for x
    x = 9,372,148,885.44/135,021.60
  6. Step 6: Final answer
    x = 69,412.22

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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.