Home / 109,372.20-164,058.30-74,380.20

Finding the Fourth Proportional to 109,372.20, 164,058.30 and 74,380.20

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Solution

The fourth proportional to 109,372.20, 164,058.30 and 74,380.20 is: 111,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372.20 : 164,058.30 = 74,380.20 : x
  2. Step 2: Convert to fraction form
    109,372.20/164,058.30 = 74,380.20/x
  3. Step 3: Cross multiply
    109,372.20x = 164,058.30 × 74,380.20
  4. Step 4: Simplify right side
    109,372.20x = 12,202,689,165.66
  5. Step 5: Solve for x
    x = 12,202,689,165.66/109,372.20
  6. Step 6: Final answer
    x = 111,570.30

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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.