Home / 210,533.32-290,556.30-115,054.48

Finding the Fourth Proportional to 210,533.32, 290,556.30 and 115,054.48

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Solution

The fourth proportional to 210,533.32, 290,556.30 and 115,054.48 is: 158,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,533.32 : 290,556.30 = 115,054.48 : x
  2. Step 2: Convert to fraction form
    210,533.32/290,556.30 = 115,054.48/x
  3. Step 3: Cross multiply
    210,533.32x = 290,556.30 × 115,054.48
  4. Step 4: Simplify right side
    210,533.32x = 33,429,804,007.22
  5. Step 5: Solve for x
    x = 33,429,804,007.22/210,533.32
  6. Step 6: Final answer
    x = 158,786.29

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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.