Home / 92,178.20-138,267.40-25,618.34

Finding the Fourth Proportional to 92,178.20, 138,267.40 and 25,618.34

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Solution

The fourth proportional to 92,178.20, 138,267.40 and 25,618.34 is: 38,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.20 : 138,267.40 = 25,618.34 : x
  2. Step 2: Convert to fraction form
    92,178.20/138,267.40 = 25,618.34/x
  3. Step 3: Cross multiply
    92,178.20x = 138,267.40 × 25,618.34
  4. Step 4: Simplify right side
    92,178.20x = 3,542,181,264.12
  5. Step 5: Solve for x
    x = 3,542,181,264.12/92,178.20
  6. Step 6: Final answer
    x = 38,427.54

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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.