Home / 104,262.72-156,394.08-34,142.40

Finding the Fourth Proportional to 104,262.72, 156,394.08 and 34,142.40

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Solution

The fourth proportional to 104,262.72, 156,394.08 and 34,142.40 is: 51,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,262.72 : 156,394.08 = 34,142.40 : x
  2. Step 2: Convert to fraction form
    104,262.72/156,394.08 = 34,142.40/x
  3. Step 3: Cross multiply
    104,262.72x = 156,394.08 × 34,142.40
  4. Step 4: Simplify right side
    104,262.72x = 5,339,669,236.99
  5. Step 5: Solve for x
    x = 5,339,669,236.99/104,262.72
  6. Step 6: Final answer
    x = 51,213.60

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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.