Home / 223,923.49-309,039.93-133,279.75

Finding the Fourth Proportional to 223,923.49, 309,039.93 and 133,279.75

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Solution

The fourth proportional to 223,923.49, 309,039.93 and 133,279.75 is: 183,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,923.49 : 309,039.93 = 133,279.75 : x
  2. Step 2: Convert to fraction form
    223,923.49/309,039.93 = 133,279.75/x
  3. Step 3: Cross multiply
    223,923.49x = 309,039.93 × 133,279.75
  4. Step 4: Simplify right side
    223,923.49x = 41,188,766,240.74
  5. Step 5: Solve for x
    x = 41,188,766,240.74/223,923.49
  6. Step 6: Final answer
    x = 183,941.25

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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.