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Finding the Fourth Proportional to 102,392.73, 153,658.29 and 35,833.44

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Solution

The fourth proportional to 102,392.73, 153,658.29 and 35,833.44 is: 53,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,392.73 : 153,658.29 = 35,833.44 : x
  2. Step 2: Convert to fraction form
    102,392.73/153,658.29 = 35,833.44/x
  3. Step 3: Cross multiply
    102,392.73x = 153,658.29 × 35,833.44
  4. Step 4: Simplify right side
    102,392.73x = 5,506,105,115.22
  5. Step 5: Solve for x
    x = 5,506,105,115.22/102,392.73
  6. Step 6: Final answer
    x = 53,774.38

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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.