Home / 139,941.54-193,304.07-103,717.26

Finding the Fourth Proportional to 139,941.54, 193,304.07 and 103,717.26

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Solution

The fourth proportional to 139,941.54, 193,304.07 and 103,717.26 is: 143,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,941.54 : 193,304.07 = 103,717.26 : x
  2. Step 2: Convert to fraction form
    139,941.54/193,304.07 = 103,717.26/x
  3. Step 3: Cross multiply
    139,941.54x = 193,304.07 × 103,717.26
  4. Step 4: Simplify right side
    139,941.54x = 20,048,968,487.25
  5. Step 5: Solve for x
    x = 20,048,968,487.25/139,941.54
  6. Step 6: Final answer
    x = 143,266.74

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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.