Home / 201,150.11-277,643.03-115,157.27

Finding the Fourth Proportional to 201,150.11, 277,643.03 and 115,157.27

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Solution

The fourth proportional to 201,150.11, 277,643.03 and 115,157.27 is: 158,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.11 : 277,643.03 = 115,157.27 : x
  2. Step 2: Convert to fraction form
    201,150.11/277,643.03 = 115,157.27/x
  3. Step 3: Cross multiply
    201,150.11x = 277,643.03 × 115,157.27
  4. Step 4: Simplify right side
    201,150.11x = 31,972,613,487.65
  5. Step 5: Solve for x
    x = 31,972,613,487.65/201,150.11
  6. Step 6: Final answer
    x = 158,949.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.