Home / 76,173.06-114,258.36-20,769.06

Finding the Fourth Proportional to 76,173.06, 114,258.36 and 20,769.06

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Solution

The fourth proportional to 76,173.06, 114,258.36 and 20,769.06 is: 31,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173.06 : 114,258.36 = 20,769.06 : x
  2. Step 2: Convert to fraction form
    76,173.06/114,258.36 = 20,769.06/x
  3. Step 3: Cross multiply
    76,173.06x = 114,258.36 × 20,769.06
  4. Step 4: Simplify right side
    76,173.06x = 2,373,038,734.34
  5. Step 5: Solve for x
    x = 2,373,038,734.34/76,173.06
  6. Step 6: Final answer
    x = 31,153.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.