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Finding the Fourth Proportional to 144,725.00, 199,726.63 and 84,285.90

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Solution

The fourth proportional to 144,725.00, 199,726.63 and 84,285.90 is: 116,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,725.00 : 199,726.63 = 84,285.90 : x
  2. Step 2: Convert to fraction form
    144,725.00/199,726.63 = 84,285.90/x
  3. Step 3: Cross multiply
    144,725.00x = 199,726.63 × 84,285.90
  4. Step 4: Simplify right side
    144,725.00x = 16,834,138,552.80
  5. Step 5: Solve for x
    x = 16,834,138,552.80/144,725.00
  6. Step 6: Final answer
    x = 116,318.11

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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.