Home / 202,570.24-303,840.78-88,729.60

Finding the Fourth Proportional to 202,570.24, 303,840.78 and 88,729.60

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Solution

The fourth proportional to 202,570.24, 303,840.78 and 88,729.60 is: 133,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,570.24 : 303,840.78 = 88,729.60 : x
  2. Step 2: Convert to fraction form
    202,570.24/303,840.78 = 88,729.60/x
  3. Step 3: Cross multiply
    202,570.24x = 303,840.78 × 88,729.60
  4. Step 4: Simplify right side
    202,570.24x = 26,959,670,873.09
  5. Step 5: Solve for x
    x = 26,959,670,873.09/202,570.24
  6. Step 6: Final answer
    x = 133,088.01

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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.