Home / 170,879.40-234,100.89-164,490.30

Finding the Fourth Proportional to 170,879.40, 234,100.89 and 164,490.30

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Solution

The fourth proportional to 170,879.40, 234,100.89 and 164,490.30 is: 225,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,879.40 : 234,100.89 = 164,490.30 : x
  2. Step 2: Convert to fraction form
    170,879.40/234,100.89 = 164,490.30/x
  3. Step 3: Cross multiply
    170,879.40x = 234,100.89 × 164,490.30
  4. Step 4: Simplify right side
    170,879.40x = 38,507,325,626.37
  5. Step 5: Solve for x
    x = 38,507,325,626.37/170,879.40
  6. Step 6: Final answer
    x = 225,347.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.