Home / 170,991.36-235,845.67-120,015.46

Finding the Fourth Proportional to 170,991.36, 235,845.67 and 120,015.46

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Solution

The fourth proportional to 170,991.36, 235,845.67 and 120,015.46 is: 165,535.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,991.36 : 235,845.67 = 120,015.46 : x
  2. Step 2: Convert to fraction form
    170,991.36/235,845.67 = 120,015.46/x
  3. Step 3: Cross multiply
    170,991.36x = 235,845.67 × 120,015.46
  4. Step 4: Simplify right side
    170,991.36x = 28,305,126,574.06
  5. Step 5: Solve for x
    x = 28,305,126,574.06/170,991.36
  6. Step 6: Final answer
    x = 165,535.42

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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.