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Finding the Fourth Proportional to 169,706.14, 234,141.78 and 98,060.02

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Solution

The fourth proportional to 169,706.14, 234,141.78 and 98,060.02 is: 135,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,706.14 : 234,141.78 = 98,060.02 : x
  2. Step 2: Convert to fraction form
    169,706.14/234,141.78 = 98,060.02/x
  3. Step 3: Cross multiply
    169,706.14x = 234,141.78 × 98,060.02
  4. Step 4: Simplify right side
    169,706.14x = 22,959,947,629.64
  5. Step 5: Solve for x
    x = 22,959,947,629.64/169,706.14
  6. Step 6: Final answer
    x = 135,292.38

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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.