Home / 255,082.05-382,629.38-121,976.37

Finding the Fourth Proportional to 255,082.05, 382,629.38 and 121,976.37

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Solution

The fourth proportional to 255,082.05, 382,629.38 and 121,976.37 is: 182,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,082.05 : 382,629.38 = 121,976.37 : x
  2. Step 2: Convert to fraction form
    255,082.05/382,629.38 = 121,976.37/x
  3. Step 3: Cross multiply
    255,082.05x = 382,629.38 × 121,976.37
  4. Step 4: Simplify right side
    255,082.05x = 46,671,742,217.87
  5. Step 5: Solve for x
    x = 46,671,742,217.87/255,082.05
  6. Step 6: Final answer
    x = 182,967.57

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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.