Home / 127,441.21-175,871.72-70,076.89

Finding the Fourth Proportional to 127,441.21, 175,871.72 and 70,076.89

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Solution

The fourth proportional to 127,441.21, 175,871.72 and 70,076.89 is: 96,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441.21 : 175,871.72 = 70,076.89 : x
  2. Step 2: Convert to fraction form
    127,441.21/175,871.72 = 70,076.89/x
  3. Step 3: Cross multiply
    127,441.21x = 175,871.72 × 70,076.89
  4. Step 4: Simplify right side
    127,441.21x = 12,324,542,188.12
  5. Step 5: Solve for x
    x = 12,324,542,188.12/127,441.21
  6. Step 6: Final answer
    x = 96,707.67

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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.