Home / 115,078.56-158,765.43-114,901.15

Finding the Fourth Proportional to 115,078.56, 158,765.43 and 114,901.15

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Solution

The fourth proportional to 115,078.56, 158,765.43 and 114,901.15 is: 158,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.56 : 158,765.43 = 114,901.15 : x
  2. Step 2: Convert to fraction form
    115,078.56/158,765.43 = 114,901.15/x
  3. Step 3: Cross multiply
    115,078.56x = 158,765.43 × 114,901.15
  4. Step 4: Simplify right side
    115,078.56x = 18,242,330,090.33
  5. Step 5: Solve for x
    x = 18,242,330,090.33/115,078.56
  6. Step 6: Final answer
    x = 158,520.67

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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.