Home / 129,778.10-194,630.70-41,058.80

Finding the Fourth Proportional to 129,778.10, 194,630.70 and 41,058.80

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Solution

The fourth proportional to 129,778.10, 194,630.70 and 41,058.80 is: 61,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,778.10 : 194,630.70 = 41,058.80 : x
  2. Step 2: Convert to fraction form
    129,778.10/194,630.70 = 41,058.80/x
  3. Step 3: Cross multiply
    129,778.10x = 194,630.70 × 41,058.80
  4. Step 4: Simplify right side
    129,778.10x = 7,991,302,985.16
  5. Step 5: Solve for x
    x = 7,991,302,985.16/129,778.10
  6. Step 6: Final answer
    x = 61,576.67

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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.