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Finding the Fourth Proportional to 151,373, 208,901.22 and 84,305

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Solution

The fourth proportional to 151,373, 208,901.22 and 84,305 is: 116,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,373 : 208,901.22 = 84,305 : x
  2. Step 2: Convert to fraction form
    151,373/208,901.22 = 84,305/x
  3. Step 3: Cross multiply
    151,373x = 208,901.22 × 84,305
  4. Step 4: Simplify right side
    151,373x = 17,611,417,352.10
  5. Step 5: Solve for x
    x = 17,611,417,352.10/151,373
  6. Step 6: Final answer
    x = 116,344.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.