Home / 199,448.37-275,296.05-117,852.21

Finding the Fourth Proportional to 199,448.37, 275,296.05 and 117,852.21

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Solution

The fourth proportional to 199,448.37, 275,296.05 and 117,852.21 is: 162,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,448.37 : 275,296.05 = 117,852.21 : x
  2. Step 2: Convert to fraction form
    199,448.37/275,296.05 = 117,852.21/x
  3. Step 3: Cross multiply
    199,448.37x = 275,296.05 × 117,852.21
  4. Step 4: Simplify right side
    199,448.37x = 32,444,247,896.77
  5. Step 5: Solve for x
    x = 32,444,247,896.77/199,448.37
  6. Step 6: Final answer
    x = 162,669.91

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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.