Home / 267,725.32-401,506.08-90,184.72

Finding the Fourth Proportional to 267,725.32, 401,506.08 and 90,184.72

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Solution

The fourth proportional to 267,725.32, 401,506.08 and 90,184.72 is: 135,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,725.32 : 401,506.08 = 90,184.72 : x
  2. Step 2: Convert to fraction form
    267,725.32/401,506.08 = 90,184.72/x
  3. Step 3: Cross multiply
    267,725.32x = 401,506.08 × 90,184.72
  4. Step 4: Simplify right side
    267,725.32x = 36,209,713,403.10
  5. Step 5: Solve for x
    x = 36,209,713,403.10/267,725.32
  6. Step 6: Final answer
    x = 135,249.49

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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.