Home / 200,030.79-276,042.48-109,386.83

Finding the Fourth Proportional to 200,030.79, 276,042.48 and 109,386.83

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Solution

The fourth proportional to 200,030.79, 276,042.48 and 109,386.83 is: 150,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,030.79 : 276,042.48 = 109,386.83 : x
  2. Step 2: Convert to fraction form
    200,030.79/276,042.48 = 109,386.83/x
  3. Step 3: Cross multiply
    200,030.79x = 276,042.48 × 109,386.83
  4. Step 4: Simplify right side
    200,030.79x = 30,195,410,452.33
  5. Step 5: Solve for x
    x = 30,195,410,452.33/200,030.79
  6. Step 6: Final answer
    x = 150,953.81

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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.