Home / 150,504.35-207,705.33-83,436.35

Finding the Fourth Proportional to 150,504.35, 207,705.33 and 83,436.35

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Solution

The fourth proportional to 150,504.35, 207,705.33 and 83,436.35 is: 115,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,504.35 : 207,705.33 = 83,436.35 : x
  2. Step 2: Convert to fraction form
    150,504.35/207,705.33 = 83,436.35/x
  3. Step 3: Cross multiply
    150,504.35x = 207,705.33 × 83,436.35
  4. Step 4: Simplify right side
    150,504.35x = 17,330,173,805.22
  5. Step 5: Solve for x
    x = 17,330,173,805.22/150,504.35
  6. Step 6: Final answer
    x = 115,147.33

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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.