Home / 115,706.52-159,757.74-90,241.34

Finding the Fourth Proportional to 115,706.52, 159,757.74 and 90,241.34

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Solution

The fourth proportional to 115,706.52, 159,757.74 and 90,241.34 is: 124,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,706.52 : 159,757.74 = 90,241.34 : x
  2. Step 2: Convert to fraction form
    115,706.52/159,757.74 = 90,241.34/x
  3. Step 3: Cross multiply
    115,706.52x = 159,757.74 × 90,241.34
  4. Step 4: Simplify right side
    115,706.52x = 14,416,751,734.18
  5. Step 5: Solve for x
    x = 14,416,751,734.18/115,706.52
  6. Step 6: Final answer
    x = 124,597.57

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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.