Home / 269,733.60-404,762.40-111,945.60

Finding the Fourth Proportional to 269,733.60, 404,762.40 and 111,945.60

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Solution

The fourth proportional to 269,733.60, 404,762.40 and 111,945.60 is: 167,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,733.60 : 404,762.40 = 111,945.60 : x
  2. Step 2: Convert to fraction form
    269,733.60/404,762.40 = 111,945.60/x
  3. Step 3: Cross multiply
    269,733.60x = 404,762.40 × 111,945.60
  4. Step 4: Simplify right side
    269,733.60x = 45,311,369,725.44
  5. Step 5: Solve for x
    x = 45,311,369,725.44/269,733.60
  6. Step 6: Final answer
    x = 167,985.63

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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.