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Finding the Fourth Proportional to 141,658.66, 212,511.08 and 41,828.96

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Solution

The fourth proportional to 141,658.66, 212,511.08 and 41,828.96 is: 62,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,658.66 : 212,511.08 = 41,828.96 : x
  2. Step 2: Convert to fraction form
    141,658.66/212,511.08 = 41,828.96/x
  3. Step 3: Cross multiply
    141,658.66x = 212,511.08 × 41,828.96
  4. Step 4: Simplify right side
    141,658.66x = 8,889,117,464.88
  5. Step 5: Solve for x
    x = 8,889,117,464.88/141,658.66
  6. Step 6: Final answer
    x = 62,750.26

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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.