Home / 194,285.76-268,058.52-122,688.96

Finding the Fourth Proportional to 194,285.76, 268,058.52 and 122,688.96

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Solution

The fourth proportional to 194,285.76, 268,058.52 and 122,688.96 is: 169,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,285.76 : 268,058.52 = 122,688.96 : x
  2. Step 2: Convert to fraction form
    194,285.76/268,058.52 = 122,688.96/x
  3. Step 3: Cross multiply
    194,285.76x = 268,058.52 × 122,688.96
  4. Step 4: Simplify right side
    194,285.76x = 32,887,821,037.94
  5. Step 5: Solve for x
    x = 32,887,821,037.94/194,285.76
  6. Step 6: Final answer
    x = 169,275.51

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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.