Home / 210,224.39-290,105.60-114,731.76

Finding the Fourth Proportional to 210,224.39, 290,105.60 and 114,731.76

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Solution

The fourth proportional to 210,224.39, 290,105.60 and 114,731.76 is: 158,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,224.39 : 290,105.60 = 114,731.76 : x
  2. Step 2: Convert to fraction form
    210,224.39/290,105.60 = 114,731.76/x
  3. Step 3: Cross multiply
    210,224.39x = 290,105.60 × 114,731.76
  4. Step 4: Simplify right side
    210,224.39x = 33,284,325,500.20
  5. Step 5: Solve for x
    x = 33,284,325,500.20/210,224.39
  6. Step 6: Final answer
    x = 158,327.62

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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.