Home / 97,975-135,206.46-53,263.96

Finding the Fourth Proportional to 97,975, 135,206.46 and 53,263.96

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Solution

The fourth proportional to 97,975, 135,206.46 and 53,263.96 is: 73,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,975 : 135,206.46 = 53,263.96 : x
  2. Step 2: Convert to fraction form
    97,975/135,206.46 = 53,263.96/x
  3. Step 3: Cross multiply
    97,975x = 135,206.46 × 53,263.96
  4. Step 4: Simplify right side
    97,975x = 7,201,631,477.18
  5. Step 5: Solve for x
    x = 7,201,631,477.18/97,975
  6. Step 6: Final answer
    x = 73,504.79

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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.