Home / 210,226.20-290,112.96-114,735

Finding the Fourth Proportional to 210,226.20, 290,112.96 and 114,735

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Solution

The fourth proportional to 210,226.20, 290,112.96 and 114,735 is: 158,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,226.20 : 290,112.96 = 114,735 : x
  2. Step 2: Convert to fraction form
    210,226.20/290,112.96 = 114,735/x
  3. Step 3: Cross multiply
    210,226.20x = 290,112.96 × 114,735
  4. Step 4: Simplify right side
    210,226.20x = 33,286,110,465.60
  5. Step 5: Solve for x
    x = 33,286,110,465.60/210,226.20
  6. Step 6: Final answer
    x = 158,334.74

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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.