Home / 119,782.49-165,300.62-66,068.96

Finding the Fourth Proportional to 119,782.49, 165,300.62 and 66,068.96

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Solution

The fourth proportional to 119,782.49, 165,300.62 and 66,068.96 is: 91,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782.49 : 165,300.62 = 66,068.96 : x
  2. Step 2: Convert to fraction form
    119,782.49/165,300.62 = 66,068.96/x
  3. Step 3: Cross multiply
    119,782.49x = 165,300.62 × 66,068.96
  4. Step 4: Simplify right side
    119,782.49x = 10,921,238,893.91
  5. Step 5: Solve for x
    x = 10,921,238,893.91/119,782.49
  6. Step 6: Final answer
    x = 91,175.59

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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.