Home / 164,639.04-227,202.48-89,187.36

Finding the Fourth Proportional to 164,639.04, 227,202.48 and 89,187.36

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Solution

The fourth proportional to 164,639.04, 227,202.48 and 89,187.36 is: 123,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,639.04 : 227,202.48 = 89,187.36 : x
  2. Step 2: Convert to fraction form
    164,639.04/227,202.48 = 89,187.36/x
  3. Step 3: Cross multiply
    164,639.04x = 227,202.48 × 89,187.36
  4. Step 4: Simplify right side
    164,639.04x = 20,263,589,376.65
  5. Step 5: Solve for x
    x = 20,263,589,376.65/164,639.04
  6. Step 6: Final answer
    x = 123,078.88

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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.