Home / 109,053.18-163,591.50-45,879.74

Finding the Fourth Proportional to 109,053.18, 163,591.50 and 45,879.74

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Solution

The fourth proportional to 109,053.18, 163,591.50 and 45,879.74 is: 68,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,053.18 : 163,591.50 = 45,879.74 : x
  2. Step 2: Convert to fraction form
    109,053.18/163,591.50 = 45,879.74/x
  3. Step 3: Cross multiply
    109,053.18x = 163,591.50 × 45,879.74
  4. Step 4: Simplify right side
    109,053.18x = 7,505,535,486.21
  5. Step 5: Solve for x
    x = 7,505,535,486.21/109,053.18
  6. Step 6: Final answer
    x = 68,824.54

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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.