Home / 131,728.06-197,629.08-52,897.64

Finding the Fourth Proportional to 131,728.06, 197,629.08 and 52,897.64

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Solution

The fourth proportional to 131,728.06, 197,629.08 and 52,897.64 is: 79,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,728.06 : 197,629.08 = 52,897.64 : x
  2. Step 2: Convert to fraction form
    131,728.06/197,629.08 = 52,897.64/x
  3. Step 3: Cross multiply
    131,728.06x = 197,629.08 × 52,897.64
  4. Step 4: Simplify right side
    131,728.06x = 10,454,111,662.88
  5. Step 5: Solve for x
    x = 10,454,111,662.88/131,728.06
  6. Step 6: Final answer
    x = 79,361.31

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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.