Home / 146,678.22-202,409.82-83,019.54

Finding the Fourth Proportional to 146,678.22, 202,409.82 and 83,019.54

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Solution

The fourth proportional to 146,678.22, 202,409.82 and 83,019.54 is: 114,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,678.22 : 202,409.82 = 83,019.54 : x
  2. Step 2: Convert to fraction form
    146,678.22/202,409.82 = 83,019.54/x
  3. Step 3: Cross multiply
    146,678.22x = 202,409.82 × 83,019.54
  4. Step 4: Simplify right side
    146,678.22x = 16,803,970,147.88
  5. Step 5: Solve for x
    x = 16,803,970,147.88/146,678.22
  6. Step 6: Final answer
    x = 114,563.50

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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.