Home / 210,115.20-289,958.96-114,622.28

Finding the Fourth Proportional to 210,115.20, 289,958.96 and 114,622.28

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Solution

The fourth proportional to 210,115.20, 289,958.96 and 114,622.28 is: 158,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,115.20 : 289,958.96 = 114,622.28 : x
  2. Step 2: Convert to fraction form
    210,115.20/289,958.96 = 114,622.28/x
  3. Step 3: Cross multiply
    210,115.20x = 289,958.96 × 114,622.28
  4. Step 4: Simplify right side
    210,115.20x = 33,235,757,101.63
  5. Step 5: Solve for x
    x = 33,235,757,101.63/210,115.20
  6. Step 6: Final answer
    x = 158,178.74

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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.