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Finding the Fourth Proportional to 104,713.96, 155,886.60 and 104,091.19

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Solution

The fourth proportional to 104,713.96, 155,886.60 and 104,091.19 is: 154,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.96 : 155,886.60 = 104,091.19 : x
  2. Step 2: Convert to fraction form
    104,713.96/155,886.60 = 104,091.19/x
  3. Step 3: Cross multiply
    104,713.96x = 155,886.60 × 104,091.19
  4. Step 4: Simplify right side
    104,713.96x = 16,226,421,699.05
  5. Step 5: Solve for x
    x = 16,226,421,699.05/104,713.96
  6. Step 6: Final answer
    x = 154,959.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.