Home / 103,748.58-143,751.24-101,506.50

Finding the Fourth Proportional to 103,748.58, 143,751.24 and 101,506.50

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Solution

The fourth proportional to 103,748.58, 143,751.24 and 101,506.50 is: 140,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,748.58 : 143,751.24 = 101,506.50 : x
  2. Step 2: Convert to fraction form
    103,748.58/143,751.24 = 101,506.50/x
  3. Step 3: Cross multiply
    103,748.58x = 143,751.24 × 101,506.50
  4. Step 4: Simplify right side
    103,748.58x = 14,591,685,243.06
  5. Step 5: Solve for x
    x = 14,591,685,243.06/103,748.58
  6. Step 6: Final answer
    x = 140,644.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.