Home / 197,708.45-272,837.85-107,064.51

Finding the Fourth Proportional to 197,708.45, 272,837.85 and 107,064.51

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Solution

The fourth proportional to 197,708.45, 272,837.85 and 107,064.51 is: 147,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,708.45 : 272,837.85 = 107,064.51 : x
  2. Step 2: Convert to fraction form
    197,708.45/272,837.85 = 107,064.51/x
  3. Step 3: Cross multiply
    197,708.45x = 272,837.85 × 107,064.51
  4. Step 4: Simplify right side
    197,708.45x = 29,211,250,719.70
  5. Step 5: Solve for x
    x = 29,211,250,719.70/197,708.45
  6. Step 6: Final answer
    x = 147,749.13

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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.