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Finding the Fourth Proportional to 84,154.91, 116,133.13 and 45,913.90

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Solution

The fourth proportional to 84,154.91, 116,133.13 and 45,913.90 is: 63,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,154.91 : 116,133.13 = 45,913.90 : x
  2. Step 2: Convert to fraction form
    84,154.91/116,133.13 = 45,913.90/x
  3. Step 3: Cross multiply
    84,154.91x = 116,133.13 × 45,913.90
  4. Step 4: Simplify right side
    84,154.91x = 5,332,124,687.94
  5. Step 5: Solve for x
    x = 5,332,124,687.94/84,154.91
  6. Step 6: Final answer
    x = 63,360.83

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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.