Home / 97,845.40-146,768.10-66,741.40

Finding the Fourth Proportional to 97,845.40, 146,768.10 and 66,741.40

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Solution

The fourth proportional to 97,845.40, 146,768.10 and 66,741.40 is: 100,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.40 : 146,768.10 = 66,741.40 : x
  2. Step 2: Convert to fraction form
    97,845.40/146,768.10 = 66,741.40/x
  3. Step 3: Cross multiply
    97,845.40x = 146,768.10 × 66,741.40
  4. Step 4: Simplify right side
    97,845.40x = 9,795,508,469.34
  5. Step 5: Solve for x
    x = 9,795,508,469.34/97,845.40
  6. Step 6: Final answer
    x = 100,112.10

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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.