Home / 144,163.06-199,038.56-129,029.49

Finding the Fourth Proportional to 144,163.06, 199,038.56 and 129,029.49

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Solution

The fourth proportional to 144,163.06, 199,038.56 and 129,029.49 is: 178,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,163.06 : 199,038.56 = 129,029.49 : x
  2. Step 2: Convert to fraction form
    144,163.06/199,038.56 = 129,029.49/x
  3. Step 3: Cross multiply
    144,163.06x = 199,038.56 × 129,029.49
  4. Step 4: Simplify right side
    144,163.06x = 25,681,843,241.99
  5. Step 5: Solve for x
    x = 25,681,843,241.99/144,163.06
  6. Step 6: Final answer
    x = 178,144.41

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1.5x scale

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.