Home / 168,126.36-232,016.16-100,144.32

Finding the Fourth Proportional to 168,126.36, 232,016.16 and 100,144.32

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Solution

The fourth proportional to 168,126.36, 232,016.16 and 100,144.32 is: 138,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,126.36 : 232,016.16 = 100,144.32 : x
  2. Step 2: Convert to fraction form
    168,126.36/232,016.16 = 100,144.32/x
  3. Step 3: Cross multiply
    168,126.36x = 232,016.16 × 100,144.32
  4. Step 4: Simplify right side
    168,126.36x = 23,235,100,572.21
  5. Step 5: Solve for x
    x = 23,235,100,572.21/168,126.36
  6. Step 6: Final answer
    x = 138,200.22

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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.