Home / 225,452.16-311,180.13-130,016.34

Finding the Fourth Proportional to 225,452.16, 311,180.13 and 130,016.34

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Solution

The fourth proportional to 225,452.16, 311,180.13 and 130,016.34 is: 179,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,452.16 : 311,180.13 = 130,016.34 : x
  2. Step 2: Convert to fraction form
    225,452.16/311,180.13 = 130,016.34/x
  3. Step 3: Cross multiply
    225,452.16x = 311,180.13 × 130,016.34
  4. Step 4: Simplify right side
    225,452.16x = 40,458,501,583.32
  5. Step 5: Solve for x
    x = 40,458,501,583.32/225,452.16
  6. Step 6: Final answer
    x = 179,454.93

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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.