Home / 97,009.80-145,514.70-82,247.55

Finding the Fourth Proportional to 97,009.80, 145,514.70 and 82,247.55

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Solution

The fourth proportional to 97,009.80, 145,514.70 and 82,247.55 is: 123,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,009.80 : 145,514.70 = 82,247.55 : x
  2. Step 2: Convert to fraction form
    97,009.80/145,514.70 = 82,247.55/x
  3. Step 3: Cross multiply
    97,009.80x = 145,514.70 × 82,247.55
  4. Step 4: Simplify right side
    97,009.80x = 11,968,227,563.99
  5. Step 5: Solve for x
    x = 11,968,227,563.99/97,009.80
  6. Step 6: Final answer
    x = 123,371.33

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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.