Home / 210,821.61-290,932.91-114,025.56

Finding the Fourth Proportional to 210,821.61, 290,932.91 and 114,025.56

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Solution

The fourth proportional to 210,821.61, 290,932.91 and 114,025.56 is: 157,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,821.61 : 290,932.91 = 114,025.56 : x
  2. Step 2: Convert to fraction form
    210,821.61/290,932.91 = 114,025.56/x
  3. Step 3: Cross multiply
    210,821.61x = 290,932.91 × 114,025.56
  4. Step 4: Simplify right side
    210,821.61x = 33,173,787,415.05
  5. Step 5: Solve for x
    x = 33,173,787,415.05/210,821.61
  6. Step 6: Final answer
    x = 157,354.78

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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.