Home / 197,142.30-295,681.14-54,997.20

Finding the Fourth Proportional to 197,142.30, 295,681.14 and 54,997.20

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Solution

The fourth proportional to 197,142.30, 295,681.14 and 54,997.20 is: 82,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.30 : 295,681.14 = 54,997.20 : x
  2. Step 2: Convert to fraction form
    197,142.30/295,681.14 = 54,997.20/x
  3. Step 3: Cross multiply
    197,142.30x = 295,681.14 × 54,997.20
  4. Step 4: Simplify right side
    197,142.30x = 16,261,634,792.81
  5. Step 5: Solve for x
    x = 16,261,634,792.81/197,142.30
  6. Step 6: Final answer
    x = 82,486.79

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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.