Home / 260,116.56-389,938.40-100,090.41

Finding the Fourth Proportional to 260,116.56, 389,938.40 and 100,090.41

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Solution

The fourth proportional to 260,116.56, 389,938.40 and 100,090.41 is: 150,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,116.56 : 389,938.40 = 100,090.41 : x
  2. Step 2: Convert to fraction form
    260,116.56/389,938.40 = 100,090.41/x
  3. Step 3: Cross multiply
    260,116.56x = 389,938.40 × 100,090.41
  4. Step 4: Simplify right side
    260,116.56x = 39,029,093,769.69
  5. Step 5: Solve for x
    x = 39,029,093,769.69/260,116.56
  6. Step 6: Final answer
    x = 150,044.63

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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.