Home / 108,930.06-163,314.60-45,768.90

Finding the Fourth Proportional to 108,930.06, 163,314.60 and 45,768.90

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Solution

The fourth proportional to 108,930.06, 163,314.60 and 45,768.90 is: 68,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,930.06 : 163,314.60 = 45,768.90 : x
  2. Step 2: Convert to fraction form
    108,930.06/163,314.60 = 45,768.90/x
  3. Step 3: Cross multiply
    108,930.06x = 163,314.60 × 45,768.90
  4. Step 4: Simplify right side
    108,930.06x = 7,474,729,595.94
  5. Step 5: Solve for x
    x = 7,474,729,595.94/108,930.06
  6. Step 6: Final answer
    x = 68,619.53

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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.