Home / 210,228.21-290,112.84-114,734.07

Finding the Fourth Proportional to 210,228.21, 290,112.84 and 114,734.07

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Solution

The fourth proportional to 210,228.21, 290,112.84 and 114,734.07 is: 158,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,228.21 : 290,112.84 = 114,734.07 : x
  2. Step 2: Convert to fraction form
    210,228.21/290,112.84 = 114,734.07/x
  3. Step 3: Cross multiply
    210,228.21x = 290,112.84 × 114,734.07
  4. Step 4: Simplify right side
    210,228.21x = 33,285,826,892.46
  5. Step 5: Solve for x
    x = 33,285,826,892.46/210,228.21
  6. Step 6: Final answer
    x = 158,331.88

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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.