Home / 119,023.70-178,532.78-30,277.26

Finding the Fourth Proportional to 119,023.70, 178,532.78 and 30,277.26

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Solution

The fourth proportional to 119,023.70, 178,532.78 and 30,277.26 is: 45,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,023.70 : 178,532.78 = 30,277.26 : x
  2. Step 2: Convert to fraction form
    119,023.70/178,532.78 = 30,277.26/x
  3. Step 3: Cross multiply
    119,023.70x = 178,532.78 × 30,277.26
  4. Step 4: Simplify right side
    119,023.70x = 5,405,483,247.20
  5. Step 5: Solve for x
    x = 5,405,483,247.20/119,023.70
  6. Step 6: Final answer
    x = 45,415.19

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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.