Home / 149,904.48-206,879.94-85,376.44

Finding the Fourth Proportional to 149,904.48, 206,879.94 and 85,376.44

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Solution

The fourth proportional to 149,904.48, 206,879.94 and 85,376.44 is: 117,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,904.48 : 206,879.94 = 85,376.44 : x
  2. Step 2: Convert to fraction form
    149,904.48/206,879.94 = 85,376.44/x
  3. Step 3: Cross multiply
    149,904.48x = 206,879.94 × 85,376.44
  4. Step 4: Simplify right side
    149,904.48x = 17,662,672,267.41
  5. Step 5: Solve for x
    x = 17,662,672,267.41/149,904.48
  6. Step 6: Final answer
    x = 117,826.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.