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Finding the Fourth Proportional to 104,145.60, 156,218.40 and 25,259.70

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Solution

The fourth proportional to 104,145.60, 156,218.40 and 25,259.70 is: 37,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.60 : 156,218.40 = 25,259.70 : x
  2. Step 2: Convert to fraction form
    104,145.60/156,218.40 = 25,259.70/x
  3. Step 3: Cross multiply
    104,145.60x = 156,218.40 × 25,259.70
  4. Step 4: Simplify right side
    104,145.60x = 3,946,029,918.48
  5. Step 5: Solve for x
    x = 3,946,029,918.48/104,145.60
  6. Step 6: Final answer
    x = 37,889.55

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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.