Home / 242,469.42-334,578.38-139,098.26

Finding the Fourth Proportional to 242,469.42, 334,578.38 and 139,098.26

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Solution

The fourth proportional to 242,469.42, 334,578.38 and 139,098.26 is: 191,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,469.42 : 334,578.38 = 139,098.26 : x
  2. Step 2: Convert to fraction form
    242,469.42/334,578.38 = 139,098.26/x
  3. Step 3: Cross multiply
    242,469.42x = 334,578.38 × 139,098.26
  4. Step 4: Simplify right side
    242,469.42x = 46,539,268,123.24
  5. Step 5: Solve for x
    x = 46,539,268,123.24/242,469.42
  6. Step 6: Final answer
    x = 191,938.71

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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.