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Finding the Fourth Proportional to 104,104.99, 156,156.96 and 25,219.22

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Solution

The fourth proportional to 104,104.99, 156,156.96 and 25,219.22 is: 37,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.99 : 156,156.96 = 25,219.22 : x
  2. Step 2: Convert to fraction form
    104,104.99/156,156.96 = 25,219.22/x
  3. Step 3: Cross multiply
    104,104.99x = 156,156.96 × 25,219.22
  4. Step 4: Simplify right side
    104,104.99x = 3,938,156,728.77
  5. Step 5: Solve for x
    x = 3,938,156,728.77/104,104.99
  6. Step 6: Final answer
    x = 37,828.70

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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.