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Finding the Fourth Proportional to 181,635.84, 250,653.83 and 105,158.88

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Solution

The fourth proportional to 181,635.84, 250,653.83 and 105,158.88 is: 145,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,635.84 : 250,653.83 = 105,158.88 : x
  2. Step 2: Convert to fraction form
    181,635.84/250,653.83 = 105,158.88/x
  3. Step 3: Cross multiply
    181,635.84x = 250,653.83 × 105,158.88
  4. Step 4: Simplify right side
    181,635.84x = 26,358,475,504.72
  5. Step 5: Solve for x
    x = 26,358,475,504.72/181,635.84
  6. Step 6: Final answer
    x = 145,117.15

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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.