Home / 103,033.85-142,186.68-62,747.60

Finding the Fourth Proportional to 103,033.85, 142,186.68 and 62,747.60

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Solution

The fourth proportional to 103,033.85, 142,186.68 and 62,747.60 is: 86,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,033.85 : 142,186.68 = 62,747.60 : x
  2. Step 2: Convert to fraction form
    103,033.85/142,186.68 = 62,747.60/x
  3. Step 3: Cross multiply
    103,033.85x = 142,186.68 × 62,747.60
  4. Step 4: Simplify right side
    103,033.85x = 8,921,872,211.03
  5. Step 5: Solve for x
    x = 8,921,872,211.03/103,033.85
  6. Step 6: Final answer
    x = 86,591.67

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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.