Home / 119,730.25-165,228.42-66,014.33

Finding the Fourth Proportional to 119,730.25, 165,228.42 and 66,014.33

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Solution

The fourth proportional to 119,730.25, 165,228.42 and 66,014.33 is: 91,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,730.25 : 165,228.42 = 66,014.33 : x
  2. Step 2: Convert to fraction form
    119,730.25/165,228.42 = 66,014.33/x
  3. Step 3: Cross multiply
    119,730.25x = 165,228.42 × 66,014.33
  4. Step 4: Simplify right side
    119,730.25x = 10,907,442,864.67
  5. Step 5: Solve for x
    x = 10,907,442,864.67/119,730.25
  6. Step 6: Final answer
    x = 91,100.14

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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.