Home / 164,639.64-227,202.78-89,188.14

Finding the Fourth Proportional to 164,639.64, 227,202.78 and 89,188.14

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Solution

The fourth proportional to 164,639.64, 227,202.78 and 89,188.14 is: 123,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,639.64 : 227,202.78 = 89,188.14 : x
  2. Step 2: Convert to fraction form
    164,639.64/227,202.78 = 89,188.14/x
  3. Step 3: Cross multiply
    164,639.64x = 227,202.78 × 89,188.14
  4. Step 4: Simplify right side
    164,639.64x = 20,263,793,351.03
  5. Step 5: Solve for x
    x = 20,263,793,351.03/164,639.64
  6. Step 6: Final answer
    x = 123,079.67

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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.