Home / 256,974.35-384,900.16-106,759.19

Finding the Fourth Proportional to 256,974.35, 384,900.16 and 106,759.19

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Solution

The fourth proportional to 256,974.35, 384,900.16 and 106,759.19 is: 159,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,974.35 : 384,900.16 = 106,759.19 : x
  2. Step 2: Convert to fraction form
    256,974.35/384,900.16 = 106,759.19/x
  3. Step 3: Cross multiply
    256,974.35x = 384,900.16 × 106,759.19
  4. Step 4: Simplify right side
    256,974.35x = 41,091,629,312.47
  5. Step 5: Solve for x
    x = 41,091,629,312.47/256,974.35
  6. Step 6: Final answer
    x = 159,905.57

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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.