Home / 202,904.16-279,975.60-131,287.20

Finding the Fourth Proportional to 202,904.16, 279,975.60 and 131,287.20

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Solution

The fourth proportional to 202,904.16, 279,975.60 and 131,287.20 is: 181,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,904.16 : 279,975.60 = 131,287.20 : x
  2. Step 2: Convert to fraction form
    202,904.16/279,975.60 = 131,287.20/x
  3. Step 3: Cross multiply
    202,904.16x = 279,975.60 × 131,287.20
  4. Step 4: Simplify right side
    202,904.16x = 36,757,212,592.32
  5. Step 5: Solve for x
    x = 36,757,212,592.32/202,904.16
  6. Step 6: Final answer
    x = 181,155.54

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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.