Home / 119,629.60-165,092.59-68,651.66

Finding the Fourth Proportional to 119,629.60, 165,092.59 and 68,651.66

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Solution

The fourth proportional to 119,629.60, 165,092.59 and 68,651.66 is: 94,741.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,629.60 : 165,092.59 = 68,651.66 : x
  2. Step 2: Convert to fraction form
    119,629.60/165,092.59 = 68,651.66/x
  3. Step 3: Cross multiply
    119,629.60x = 165,092.59 × 68,651.66
  4. Step 4: Simplify right side
    119,629.60x = 11,333,880,053.53
  5. Step 5: Solve for x
    x = 11,333,880,053.53/119,629.60
  6. Step 6: Final answer
    x = 94,741.43

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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.