Home / 143,449.12-215,202.84-49,962.16

Finding the Fourth Proportional to 143,449.12, 215,202.84 and 49,962.16

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Solution

The fourth proportional to 143,449.12, 215,202.84 and 49,962.16 is: 74,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,449.12 : 215,202.84 = 49,962.16 : x
  2. Step 2: Convert to fraction form
    143,449.12/215,202.84 = 49,962.16/x
  3. Step 3: Cross multiply
    143,449.12x = 215,202.84 × 49,962.16
  4. Step 4: Simplify right side
    143,449.12x = 10,751,998,724.53
  5. Step 5: Solve for x
    x = 10,751,998,724.53/143,449.12
  6. Step 6: Final answer
    x = 74,953.40

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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.