Home / 109,490.52-164,235.78-39,331.56

Finding the Fourth Proportional to 109,490.52, 164,235.78 and 39,331.56

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Solution

The fourth proportional to 109,490.52, 164,235.78 and 39,331.56 is: 58,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,490.52 : 164,235.78 = 39,331.56 : x
  2. Step 2: Convert to fraction form
    109,490.52/164,235.78 = 39,331.56/x
  3. Step 3: Cross multiply
    109,490.52x = 164,235.78 × 39,331.56
  4. Step 4: Simplify right side
    109,490.52x = 6,459,649,435.22
  5. Step 5: Solve for x
    x = 6,459,649,435.22/109,490.52
  6. Step 6: Final answer
    x = 58,997.34

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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.