Home / 119,910.25-165,477.47-66,195.30

Finding the Fourth Proportional to 119,910.25, 165,477.47 and 66,195.30

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Solution

The fourth proportional to 119,910.25, 165,477.47 and 66,195.30 is: 91,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.25 : 165,477.47 = 66,195.30 : x
  2. Step 2: Convert to fraction form
    119,910.25/165,477.47 = 66,195.30/x
  3. Step 3: Cross multiply
    119,910.25x = 165,477.47 × 66,195.30
  4. Step 4: Simplify right side
    119,910.25x = 10,953,831,059.46
  5. Step 5: Solve for x
    x = 10,953,831,059.46/119,910.25
  6. Step 6: Final answer
    x = 91,350.25

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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.