Home / 210,261.56-290,163.97-114,766.20

Finding the Fourth Proportional to 210,261.56, 290,163.97 and 114,766.20

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Solution

The fourth proportional to 210,261.56, 290,163.97 and 114,766.20 is: 158,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,261.56 : 290,163.97 = 114,766.20 : x
  2. Step 2: Convert to fraction form
    210,261.56/290,163.97 = 114,766.20/x
  3. Step 3: Cross multiply
    210,261.56x = 290,163.97 × 114,766.20
  4. Step 4: Simplify right side
    210,261.56x = 33,301,016,357.27
  5. Step 5: Solve for x
    x = 33,301,016,357.27/210,261.56
  6. Step 6: Final answer
    x = 158,379.01

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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.