Home / 109,863.20-164,576.10-57,302.30

Finding the Fourth Proportional to 109,863.20, 164,576.10 and 57,302.30

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Solution

The fourth proportional to 109,863.20, 164,576.10 and 57,302.30 is: 85,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.20 : 164,576.10 = 57,302.30 : x
  2. Step 2: Convert to fraction form
    109,863.20/164,576.10 = 57,302.30/x
  3. Step 3: Cross multiply
    109,863.20x = 164,576.10 × 57,302.30
  4. Step 4: Simplify right side
    109,863.20x = 9,430,589,055.03
  5. Step 5: Solve for x
    x = 9,430,589,055.03/109,863.20
  6. Step 6: Final answer
    x = 85,839.38

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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.