Home / 285,109.16-427,758.72-95,588.28

Finding the Fourth Proportional to 285,109.16, 427,758.72 and 95,588.28

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Solution

The fourth proportional to 285,109.16, 427,758.72 and 95,588.28 is: 143,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,109.16 : 427,758.72 = 95,588.28 : x
  2. Step 2: Convert to fraction form
    285,109.16/427,758.72 = 95,588.28/x
  3. Step 3: Cross multiply
    285,109.16x = 427,758.72 × 95,588.28
  4. Step 4: Simplify right side
    285,109.16x = 40,888,720,299.80
  5. Step 5: Solve for x
    x = 40,888,720,299.80/285,109.16
  6. Step 6: Final answer
    x = 143,414.26

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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.