Home / 197,398.76-272,411.10-106,754.72

Finding the Fourth Proportional to 197,398.76, 272,411.10 and 106,754.72

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Solution

The fourth proportional to 197,398.76, 272,411.10 and 106,754.72 is: 147,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398.76 : 272,411.10 = 106,754.72 : x
  2. Step 2: Convert to fraction form
    197,398.76/272,411.10 = 106,754.72/x
  3. Step 3: Cross multiply
    197,398.76x = 272,411.10 × 106,754.72
  4. Step 4: Simplify right side
    197,398.76x = 29,081,169,809.25
  5. Step 5: Solve for x
    x = 29,081,169,809.25/197,398.76
  6. Step 6: Final answer
    x = 147,321.95

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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.