Home / 202,511.48-279,460.43-111,865.50

Finding the Fourth Proportional to 202,511.48, 279,460.43 and 111,865.50

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Solution

The fourth proportional to 202,511.48, 279,460.43 and 111,865.50 is: 154,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,511.48 : 279,460.43 = 111,865.50 : x
  2. Step 2: Convert to fraction form
    202,511.48/279,460.43 = 111,865.50/x
  3. Step 3: Cross multiply
    202,511.48x = 279,460.43 × 111,865.50
  4. Step 4: Simplify right side
    202,511.48x = 31,261,978,775.54
  5. Step 5: Solve for x
    x = 31,261,978,775.54/202,511.48
  6. Step 6: Final answer
    x = 154,371.39

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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.