Home / 165,838.80-248,758.20-136,314.30

Finding the Fourth Proportional to 165,838.80, 248,758.20 and 136,314.30

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Solution

The fourth proportional to 165,838.80, 248,758.20 and 136,314.30 is: 204,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,838.80 : 248,758.20 = 136,314.30 : x
  2. Step 2: Convert to fraction form
    165,838.80/248,758.20 = 136,314.30/x
  3. Step 3: Cross multiply
    165,838.80x = 248,758.20 × 136,314.30
  4. Step 4: Simplify right side
    165,838.80x = 33,909,299,902.26
  5. Step 5: Solve for x
    x = 33,909,299,902.26/165,838.80
  6. Step 6: Final answer
    x = 204,471.45

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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.