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Finding the Fourth Proportional to 178,040.36, 267,059.72 and 72,859.34

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Solution

The fourth proportional to 178,040.36, 267,059.72 and 72,859.34 is: 109,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,040.36 : 267,059.72 = 72,859.34 : x
  2. Step 2: Convert to fraction form
    178,040.36/267,059.72 = 72,859.34/x
  3. Step 3: Cross multiply
    178,040.36x = 267,059.72 × 72,859.34
  4. Step 4: Simplify right side
    178,040.36x = 19,457,794,575.49
  5. Step 5: Solve for x
    x = 19,457,794,575.49/178,040.36
  6. Step 6: Final answer
    x = 109,288.67

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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.