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Finding the Fourth Proportional to 84,167.73, 116,151.41 and 53,953.04

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Solution

The fourth proportional to 84,167.73, 116,151.41 and 53,953.04 is: 74,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167.73 : 116,151.41 = 53,953.04 : x
  2. Step 2: Convert to fraction form
    84,167.73/116,151.41 = 53,953.04/x
  3. Step 3: Cross multiply
    84,167.73x = 116,151.41 × 53,953.04
  4. Step 4: Simplify right side
    84,167.73x = 6,266,720,819.26
  5. Step 5: Solve for x
    x = 6,266,720,819.26/84,167.73
  6. Step 6: Final answer
    x = 74,455.15

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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.