Home / 97,997.40-135,237.24-55,556.64

Finding the Fourth Proportional to 97,997.40, 135,237.24 and 55,556.64

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Solution

The fourth proportional to 97,997.40, 135,237.24 and 55,556.64 is: 76,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,997.40 : 135,237.24 = 55,556.64 : x
  2. Step 2: Convert to fraction form
    97,997.40/135,237.24 = 55,556.64/x
  3. Step 3: Cross multiply
    97,997.40x = 135,237.24 × 55,556.64
  4. Step 4: Simplify right side
    97,997.40x = 7,513,326,657.27
  5. Step 5: Solve for x
    x = 7,513,326,657.27/97,997.40
  6. Step 6: Final answer
    x = 76,668.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.