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Finding the Fourth Proportional to 168,466.98, 232,486.17 and 93,015.30

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Solution

The fourth proportional to 168,466.98, 232,486.17 and 93,015.30 is: 128,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,466.98 : 232,486.17 = 93,015.30 : x
  2. Step 2: Convert to fraction form
    168,466.98/232,486.17 = 93,015.30/x
  3. Step 3: Cross multiply
    168,466.98x = 232,486.17 × 93,015.30
  4. Step 4: Simplify right side
    168,466.98x = 21,624,770,848.40
  5. Step 5: Solve for x
    x = 21,624,770,848.40/168,466.98
  6. Step 6: Final answer
    x = 128,362.07

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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.