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Finding the Fourth Proportional to 122,606, 182,836.08 and 121,484.95

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Solution

The fourth proportional to 122,606, 182,836.08 and 121,484.95 is: 181,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,606 : 182,836.08 = 121,484.95 : x
  2. Step 2: Convert to fraction form
    122,606/182,836.08 = 121,484.95/x
  3. Step 3: Cross multiply
    122,606x = 182,836.08 × 121,484.95
  4. Step 4: Simplify right side
    122,606x = 22,211,832,037.00
  5. Step 5: Solve for x
    x = 22,211,832,037.00/122,606
  6. Step 6: Final answer
    x = 181,164.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.