Home / 165,689.80-248,576.10-53,380.60

Finding the Fourth Proportional to 165,689.80, 248,576.10 and 53,380.60

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Solution

The fourth proportional to 165,689.80, 248,576.10 and 53,380.60 is: 80,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,689.80 : 248,576.10 = 53,380.60 : x
  2. Step 2: Convert to fraction form
    165,689.80/248,576.10 = 53,380.60/x
  3. Step 3: Cross multiply
    165,689.80x = 248,576.10 × 53,380.60
  4. Step 4: Simplify right side
    165,689.80x = 13,269,141,363.66
  5. Step 5: Solve for x
    x = 13,269,141,363.66/165,689.80
  6. Step 6: Final answer
    x = 80,084.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.