Home / 219,936.80-303,514.08-119,334.72

Finding the Fourth Proportional to 219,936.80, 303,514.08 and 119,334.72

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Solution

The fourth proportional to 219,936.80, 303,514.08 and 119,334.72 is: 164,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,936.80 : 303,514.08 = 119,334.72 : x
  2. Step 2: Convert to fraction form
    219,936.80/303,514.08 = 119,334.72/x
  3. Step 3: Cross multiply
    219,936.80x = 303,514.08 × 119,334.72
  4. Step 4: Simplify right side
    219,936.80x = 36,219,767,752.86
  5. Step 5: Solve for x
    x = 36,219,767,752.86/219,936.80
  6. Step 6: Final answer
    x = 164,682.62

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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.