Home / 119,842.14-179,623.26-90,164.64

Finding the Fourth Proportional to 119,842.14, 179,623.26 and 90,164.64

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Solution

The fourth proportional to 119,842.14, 179,623.26 and 90,164.64 is: 135,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,842.14 : 179,623.26 = 90,164.64 : x
  2. Step 2: Convert to fraction form
    119,842.14/179,623.26 = 90,164.64/x
  3. Step 3: Cross multiply
    119,842.14x = 179,623.26 × 90,164.64
  4. Step 4: Simplify right side
    119,842.14x = 16,195,666,573.53
  5. Step 5: Solve for x
    x = 16,195,666,573.53/119,842.14
  6. Step 6: Final answer
    x = 135,141.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.