Home / 109,511.91-164,267.90-38,490.30

Finding the Fourth Proportional to 109,511.91, 164,267.90 and 38,490.30

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Solution

The fourth proportional to 109,511.91, 164,267.90 and 38,490.30 is: 57,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.91 : 164,267.90 = 38,490.30 : x
  2. Step 2: Convert to fraction form
    109,511.91/164,267.90 = 38,490.30/x
  3. Step 3: Cross multiply
    109,511.91x = 164,267.90 × 38,490.30
  4. Step 4: Simplify right side
    109,511.91x = 6,322,720,558.92
  5. Step 5: Solve for x
    x = 6,322,720,558.92/109,511.91
  6. Step 6: Final answer
    x = 57,735.46

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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.