Home / 197,139.27-272,051.94-106,495.20

Finding the Fourth Proportional to 197,139.27, 272,051.94 and 106,495.20

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Solution

The fourth proportional to 197,139.27, 272,051.94 and 106,495.20 is: 146,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,139.27 : 272,051.94 = 106,495.20 : x
  2. Step 2: Convert to fraction form
    197,139.27/272,051.94 = 106,495.20/x
  3. Step 3: Cross multiply
    197,139.27x = 272,051.94 × 106,495.20
  4. Step 4: Simplify right side
    197,139.27x = 28,972,225,760.69
  5. Step 5: Solve for x
    x = 28,972,225,760.69/197,139.27
  6. Step 6: Final answer
    x = 146,963.24

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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.