Home / 197,731.72-272,868.29-107,085.57

Finding the Fourth Proportional to 197,731.72, 272,868.29 and 107,085.57

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Solution

The fourth proportional to 197,731.72, 272,868.29 and 107,085.57 is: 147,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,731.72 : 272,868.29 = 107,085.57 : x
  2. Step 2: Convert to fraction form
    197,731.72/272,868.29 = 107,085.57/x
  3. Step 3: Cross multiply
    197,731.72x = 272,868.29 × 107,085.57
  4. Step 4: Simplify right side
    197,731.72x = 29,220,254,469.81
  5. Step 5: Solve for x
    x = 29,220,254,469.81/197,731.72
  6. Step 6: Final answer
    x = 147,777.27

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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.