Home / 159,435.26-220,012.35-99,004.60

Finding the Fourth Proportional to 159,435.26, 220,012.35 and 99,004.60

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Solution

The fourth proportional to 159,435.26, 220,012.35 and 99,004.60 is: 136,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,435.26 : 220,012.35 = 99,004.60 : x
  2. Step 2: Convert to fraction form
    159,435.26/220,012.35 = 99,004.60/x
  3. Step 3: Cross multiply
    159,435.26x = 220,012.35 × 99,004.60
  4. Step 4: Simplify right side
    159,435.26x = 21,782,234,610.56
  5. Step 5: Solve for x
    x = 21,782,234,610.56/159,435.26
  6. Step 6: Final answer
    x = 136,621.19

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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.