Home / 97,837.80-146,583.90-80,212.20

Finding the Fourth Proportional to 97,837.80, 146,583.90 and 80,212.20

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Solution

The fourth proportional to 97,837.80, 146,583.90 and 80,212.20 is: 120,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,837.80 : 146,583.90 = 80,212.20 : x
  2. Step 2: Convert to fraction form
    97,837.80/146,583.90 = 80,212.20/x
  3. Step 3: Cross multiply
    97,837.80x = 146,583.90 × 80,212.20
  4. Step 4: Simplify right side
    97,837.80x = 11,757,817,103.58
  5. Step 5: Solve for x
    x = 11,757,817,103.58/97,837.80
  6. Step 6: Final answer
    x = 120,176.63

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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.