Home / 131,541.39-197,250.73-68,344.51

Finding the Fourth Proportional to 131,541.39, 197,250.73 and 68,344.51

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Solution

The fourth proportional to 131,541.39, 197,250.73 and 68,344.51 is: 102,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,541.39 : 197,250.73 = 68,344.51 : x
  2. Step 2: Convert to fraction form
    131,541.39/197,250.73 = 68,344.51/x
  3. Step 3: Cross multiply
    131,541.39x = 197,250.73 × 68,344.51
  4. Step 4: Simplify right side
    131,541.39x = 13,481,004,488.99
  5. Step 5: Solve for x
    x = 13,481,004,488.99/131,541.39
  6. Step 6: Final answer
    x = 102,484.89

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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.