Home / 219,917.40-303,453.74-123,116.22

Finding the Fourth Proportional to 219,917.40, 303,453.74 and 123,116.22

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Solution

The fourth proportional to 219,917.40, 303,453.74 and 123,116.22 is: 169,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,917.40 : 303,453.74 = 123,116.22 : x
  2. Step 2: Convert to fraction form
    219,917.40/303,453.74 = 123,116.22/x
  3. Step 3: Cross multiply
    219,917.40x = 303,453.74 × 123,116.22
  4. Step 4: Simplify right side
    219,917.40x = 37,360,077,721.45
  5. Step 5: Solve for x
    x = 37,360,077,721.45/219,917.40
  6. Step 6: Final answer
    x = 169,882.32

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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.