Home / 119,278.99-178,918.38-30,532.36

Finding the Fourth Proportional to 119,278.99, 178,918.38 and 30,532.36

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Solution

The fourth proportional to 119,278.99, 178,918.38 and 30,532.36 is: 45,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.99 : 178,918.38 = 30,532.36 : x
  2. Step 2: Convert to fraction form
    119,278.99/178,918.38 = 30,532.36/x
  3. Step 3: Cross multiply
    119,278.99x = 178,918.38 × 30,532.36
  4. Step 4: Simplify right side
    119,278.99x = 5,462,800,388.78
  5. Step 5: Solve for x
    x = 5,462,800,388.78/119,278.99
  6. Step 6: Final answer
    x = 45,798.51

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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.