Home / 219,665.64-303,135.30-124,168.98

Finding the Fourth Proportional to 219,665.64, 303,135.30 and 124,168.98

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Solution

The fourth proportional to 219,665.64, 303,135.30 and 124,168.98 is: 171,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,665.64 : 303,135.30 = 124,168.98 : x
  2. Step 2: Convert to fraction form
    219,665.64/303,135.30 = 124,168.98/x
  3. Step 3: Cross multiply
    219,665.64x = 303,135.30 × 124,168.98
  4. Step 4: Simplify right side
    219,665.64x = 37,640,001,002.99
  5. Step 5: Solve for x
    x = 37,640,001,002.99/219,665.64
  6. Step 6: Final answer
    x = 171,351.34

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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.