Home / 119,998.02-165,584.34-66,280.44

Finding the Fourth Proportional to 119,998.02, 165,584.34 and 66,280.44

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Solution

The fourth proportional to 119,998.02, 165,584.34 and 66,280.44 is: 91,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,998.02 : 165,584.34 = 66,280.44 : x
  2. Step 2: Convert to fraction form
    119,998.02/165,584.34 = 66,280.44/x
  3. Step 3: Cross multiply
    119,998.02x = 165,584.34 × 66,280.44
  4. Step 4: Simplify right side
    119,998.02x = 10,975,002,912.31
  5. Step 5: Solve for x
    x = 10,975,002,912.31/119,998.02
  6. Step 6: Final answer
    x = 91,459.87

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1.5x scale

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.