Home / 119,915.02-165,481.80-66,200.11

Finding the Fourth Proportional to 119,915.02, 165,481.80 and 66,200.11

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Solution

The fourth proportional to 119,915.02, 165,481.80 and 66,200.11 is: 91,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,915.02 : 165,481.80 = 66,200.11 : x
  2. Step 2: Convert to fraction form
    119,915.02/165,481.80 = 66,200.11/x
  3. Step 3: Cross multiply
    119,915.02x = 165,481.80 × 66,200.11
  4. Step 4: Simplify right side
    119,915.02x = 10,954,913,363.00
  5. Step 5: Solve for x
    x = 10,954,913,363.00/119,915.02
  6. Step 6: Final answer
    x = 91,355.64

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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.