Home / 210,100.28-289,942.44-114,610.48

Finding the Fourth Proportional to 210,100.28, 289,942.44 and 114,610.48

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Solution

The fourth proportional to 210,100.28, 289,942.44 and 114,610.48 is: 158,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,100.28 : 289,942.44 = 114,610.48 : x
  2. Step 2: Convert to fraction form
    210,100.28/289,942.44 = 114,610.48/x
  3. Step 3: Cross multiply
    210,100.28x = 289,942.44 × 114,610.48
  4. Step 4: Simplify right side
    210,100.28x = 33,230,442,220.77
  5. Step 5: Solve for x
    x = 33,230,442,220.77/210,100.28
  6. Step 6: Final answer
    x = 158,164.67

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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.