Home / 165,947.80-248,921.70-55,139.80

Finding the Fourth Proportional to 165,947.80, 248,921.70 and 55,139.80

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Solution

The fourth proportional to 165,947.80, 248,921.70 and 55,139.80 is: 82,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,947.80 : 248,921.70 = 55,139.80 : x
  2. Step 2: Convert to fraction form
    165,947.80/248,921.70 = 55,139.80/x
  3. Step 3: Cross multiply
    165,947.80x = 248,921.70 × 55,139.80
  4. Step 4: Simplify right side
    165,947.80x = 13,725,492,753.66
  5. Step 5: Solve for x
    x = 13,725,492,753.66/165,947.80
  6. Step 6: Final answer
    x = 82,709.70

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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.