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Finding the Fourth Proportional to 104,610.30, 156,915.45 and 104,610.30

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Solution

The fourth proportional to 104,610.30, 156,915.45 and 104,610.30 is: 156,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,610.30 : 156,915.45 = 104,610.30 : x
  2. Step 2: Convert to fraction form
    104,610.30/156,915.45 = 104,610.30/x
  3. Step 3: Cross multiply
    104,610.30x = 156,915.45 × 104,610.30
  4. Step 4: Simplify right side
    104,610.30x = 16,414,972,299.14
  5. Step 5: Solve for x
    x = 16,414,972,299.14/104,610.30
  6. Step 6: Final answer
    x = 156,915.45

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1.5x scale

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.