Home / 210,821.76-290,933.15-114,025.73

Finding the Fourth Proportional to 210,821.76, 290,933.15 and 114,025.73

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Solution

The fourth proportional to 210,821.76, 290,933.15 and 114,025.73 is: 157,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,821.76 : 290,933.15 = 114,025.73 : x
  2. Step 2: Convert to fraction form
    210,821.76/290,933.15 = 114,025.73/x
  3. Step 3: Cross multiply
    210,821.76x = 290,933.15 × 114,025.73
  4. Step 4: Simplify right side
    210,821.76x = 33,173,862,785.16
  5. Step 5: Solve for x
    x = 33,173,862,785.16/210,821.76
  6. Step 6: Final answer
    x = 157,355.02

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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.