Home / 149,255.20-205,961.74-84,725.74

Finding the Fourth Proportional to 149,255.20, 205,961.74 and 84,725.74

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Solution

The fourth proportional to 149,255.20, 205,961.74 and 84,725.74 is: 116,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,255.20 : 205,961.74 = 84,725.74 : x
  2. Step 2: Convert to fraction form
    149,255.20/205,961.74 = 84,725.74/x
  3. Step 3: Cross multiply
    149,255.20x = 205,961.74 × 84,725.74
  4. Step 4: Simplify right side
    149,255.20x = 17,450,260,833.19
  5. Step 5: Solve for x
    x = 17,450,260,833.19/149,255.20
  6. Step 6: Final answer
    x = 116,915.60

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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.