Home / 104,884.11-157,194.78-82,609.50

Finding the Fourth Proportional to 104,884.11, 157,194.78 and 82,609.50

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Solution

The fourth proportional to 104,884.11, 157,194.78 and 82,609.50 is: 123,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.11 : 157,194.78 = 82,609.50 : x
  2. Step 2: Convert to fraction form
    104,884.11/157,194.78 = 82,609.50/x
  3. Step 3: Cross multiply
    104,884.11x = 157,194.78 × 82,609.50
  4. Step 4: Simplify right side
    104,884.11x = 12,985,782,178.41
  5. Step 5: Solve for x
    x = 12,985,782,178.41/104,884.11
  6. Step 6: Final answer
    x = 123,810.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.