Home / 197,821.74-272,993.64-107,180.01

Finding the Fourth Proportional to 197,821.74, 272,993.64 and 107,180.01

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Solution

The fourth proportional to 197,821.74, 272,993.64 and 107,180.01 is: 147,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,821.74 : 272,993.64 = 107,180.01 : x
  2. Step 2: Convert to fraction form
    197,821.74/272,993.64 = 107,180.01/x
  3. Step 3: Cross multiply
    197,821.74x = 272,993.64 × 107,180.01
  4. Step 4: Simplify right side
    197,821.74x = 29,259,461,266.10
  5. Step 5: Solve for x
    x = 29,259,461,266.10/197,821.74
  6. Step 6: Final answer
    x = 147,908.22

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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.