Home / 103,746.60-155,520.27-66,200.67

Finding the Fourth Proportional to 103,746.60, 155,520.27 and 66,200.67

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Solution

The fourth proportional to 103,746.60, 155,520.27 and 66,200.67 is: 99,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,746.60 : 155,520.27 = 66,200.67 : x
  2. Step 2: Convert to fraction form
    103,746.60/155,520.27 = 66,200.67/x
  3. Step 3: Cross multiply
    103,746.60x = 155,520.27 × 66,200.67
  4. Step 4: Simplify right side
    103,746.60x = 10,295,546,072.58
  5. Step 5: Solve for x
    x = 10,295,546,072.58/103,746.60
  6. Step 6: Final answer
    x = 99,237.43

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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.