Home / 208,396.56-312,176.16-95,919.60

Finding the Fourth Proportional to 208,396.56, 312,176.16 and 95,919.60

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Solution

The fourth proportional to 208,396.56, 312,176.16 and 95,919.60 is: 143,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,396.56 : 312,176.16 = 95,919.60 : x
  2. Step 2: Convert to fraction form
    208,396.56/312,176.16 = 95,919.60/x
  3. Step 3: Cross multiply
    208,396.56x = 312,176.16 × 95,919.60
  4. Step 4: Simplify right side
    208,396.56x = 29,943,812,396.74
  5. Step 5: Solve for x
    x = 29,943,812,396.74/208,396.56
  6. Step 6: Final answer
    x = 143,686.69

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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.