Home / 136,636.97-188,575.47-80,048.34

Finding the Fourth Proportional to 136,636.97, 188,575.47 and 80,048.34

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Solution

The fourth proportional to 136,636.97, 188,575.47 and 80,048.34 is: 110,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,636.97 : 188,575.47 = 80,048.34 : x
  2. Step 2: Convert to fraction form
    136,636.97/188,575.47 = 80,048.34/x
  3. Step 3: Cross multiply
    136,636.97x = 188,575.47 × 80,048.34
  4. Step 4: Simplify right side
    136,636.97x = 15,095,153,338.22
  5. Step 5: Solve for x
    x = 15,095,153,338.22/136,636.97
  6. Step 6: Final answer
    x = 110,476.35

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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.