Home / 219,511.89-302,925.78-124,018.56

Finding the Fourth Proportional to 219,511.89, 302,925.78 and 124,018.56

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Solution

The fourth proportional to 219,511.89, 302,925.78 and 124,018.56 is: 171,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.89 : 302,925.78 = 124,018.56 : x
  2. Step 2: Convert to fraction form
    219,511.89/302,925.78 = 124,018.56/x
  3. Step 3: Cross multiply
    219,511.89x = 302,925.78 × 124,018.56
  4. Step 4: Simplify right side
    219,511.89x = 37,568,419,022.48
  5. Step 5: Solve for x
    x = 37,568,419,022.48/219,511.89
  6. Step 6: Final answer
    x = 171,145.26

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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.