Home / 117,588.36-162,297.60-72,305.30

Finding the Fourth Proportional to 117,588.36, 162,297.60 and 72,305.30

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Solution

The fourth proportional to 117,588.36, 162,297.60 and 72,305.30 is: 99,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,588.36 : 162,297.60 = 72,305.30 : x
  2. Step 2: Convert to fraction form
    117,588.36/162,297.60 = 72,305.30/x
  3. Step 3: Cross multiply
    117,588.36x = 162,297.60 × 72,305.30
  4. Step 4: Simplify right side
    117,588.36x = 11,734,976,657.28
  5. Step 5: Solve for x
    x = 11,734,976,657.28/117,588.36
  6. Step 6: Final answer
    x = 99,797.09

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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.