Home / 219,716.64-303,210.96-119,114.88

Finding the Fourth Proportional to 219,716.64, 303,210.96 and 119,114.88

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Solution

The fourth proportional to 219,716.64, 303,210.96 and 119,114.88 is: 164,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,716.64 : 303,210.96 = 119,114.88 : x
  2. Step 2: Convert to fraction form
    219,716.64/303,210.96 = 119,114.88/x
  3. Step 3: Cross multiply
    219,716.64x = 303,210.96 × 119,114.88
  4. Step 4: Simplify right side
    219,716.64x = 36,116,937,115.08
  5. Step 5: Solve for x
    x = 36,116,937,115.08/219,716.64
  6. Step 6: Final answer
    x = 164,379.62

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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.