Home / 135,268.34-202,931.67-40,506.04

Finding the Fourth Proportional to 135,268.34, 202,931.67 and 40,506.04

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Solution

The fourth proportional to 135,268.34, 202,931.67 and 40,506.04 is: 60,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,268.34 : 202,931.67 = 40,506.04 : x
  2. Step 2: Convert to fraction form
    135,268.34/202,931.67 = 40,506.04/x
  3. Step 3: Cross multiply
    135,268.34x = 202,931.67 × 40,506.04
  4. Step 4: Simplify right side
    135,268.34x = 8,219,957,327.63
  5. Step 5: Solve for x
    x = 8,219,957,327.63/135,268.34
  6. Step 6: Final answer
    x = 60,767.78

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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.