Home / 235,266.94-324,631.83-139,771.18

Finding the Fourth Proportional to 235,266.94, 324,631.83 and 139,771.18

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Solution

The fourth proportional to 235,266.94, 324,631.83 and 139,771.18 is: 192,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,266.94 : 324,631.83 = 139,771.18 : x
  2. Step 2: Convert to fraction form
    235,266.94/324,631.83 = 139,771.18/x
  3. Step 3: Cross multiply
    235,266.94x = 324,631.83 × 139,771.18
  4. Step 4: Simplify right side
    235,266.94x = 45,374,173,944.66
  5. Step 5: Solve for x
    x = 45,374,173,944.66/235,266.94
  6. Step 6: Final answer
    x = 192,862.52

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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.