Home / 219,669.46-329,127.99-119,899.69

Finding the Fourth Proportional to 219,669.46, 329,127.99 and 119,899.69

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Solution

The fourth proportional to 219,669.46, 329,127.99 and 119,899.69 is: 179,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,669.46 : 329,127.99 = 119,899.69 : x
  2. Step 2: Convert to fraction form
    219,669.46/329,127.99 = 119,899.69/x
  3. Step 3: Cross multiply
    219,669.46x = 329,127.99 × 119,899.69
  4. Step 4: Simplify right side
    219,669.46x = 39,462,343,971.32
  5. Step 5: Solve for x
    x = 39,462,343,971.32/219,669.46
  6. Step 6: Final answer
    x = 179,644.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.