Home / 129,241.49-193,862.31-40,501.94

Finding the Fourth Proportional to 129,241.49, 193,862.31 and 40,501.94

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Solution

The fourth proportional to 129,241.49, 193,862.31 and 40,501.94 is: 60,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,241.49 : 193,862.31 = 40,501.94 : x
  2. Step 2: Convert to fraction form
    129,241.49/193,862.31 = 40,501.94/x
  3. Step 3: Cross multiply
    129,241.49x = 193,862.31 × 40,501.94
  4. Step 4: Simplify right side
    129,241.49x = 7,851,800,132.54
  5. Step 5: Solve for x
    x = 7,851,800,132.54/129,241.49
  6. Step 6: Final answer
    x = 60,752.94

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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.