Home / 210,212.47-290,099.37-114,725.32

Finding the Fourth Proportional to 210,212.47, 290,099.37 and 114,725.32

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Solution

The fourth proportional to 210,212.47, 290,099.37 and 114,725.32 is: 158,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,212.47 : 290,099.37 = 114,725.32 : x
  2. Step 2: Convert to fraction form
    210,212.47/290,099.37 = 114,725.32/x
  3. Step 3: Cross multiply
    210,212.47x = 290,099.37 × 114,725.32
  4. Step 4: Simplify right side
    210,212.47x = 33,281,743,055.05
  5. Step 5: Solve for x
    x = 33,281,743,055.05/210,212.47
  6. Step 6: Final answer
    x = 158,324.30

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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.