Home / 228,485.08-315,297.62-125,116.44

Finding the Fourth Proportional to 228,485.08, 315,297.62 and 125,116.44

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Solution

The fourth proportional to 228,485.08, 315,297.62 and 125,116.44 is: 172,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,485.08 : 315,297.62 = 125,116.44 : x
  2. Step 2: Convert to fraction form
    228,485.08/315,297.62 = 125,116.44/x
  3. Step 3: Cross multiply
    228,485.08x = 315,297.62 × 125,116.44
  4. Step 4: Simplify right side
    228,485.08x = 39,448,915,754.87
  5. Step 5: Solve for x
    x = 39,448,915,754.87/228,485.08
  6. Step 6: Final answer
    x = 172,654.23

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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.