Home / 210,311.72-290,216.66-114,818.21

Finding the Fourth Proportional to 210,311.72, 290,216.66 and 114,818.21

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Solution

The fourth proportional to 210,311.72, 290,216.66 and 114,818.21 is: 158,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,311.72 : 290,216.66 = 114,818.21 : x
  2. Step 2: Convert to fraction form
    210,311.72/290,216.66 = 114,818.21/x
  3. Step 3: Cross multiply
    210,311.72x = 290,216.66 × 114,818.21
  4. Step 4: Simplify right side
    210,311.72x = 33,322,155,388.20
  5. Step 5: Solve for x
    x = 33,322,155,388.20/210,311.72
  6. Step 6: Final answer
    x = 158,441.75

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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.