Home / 97,918.08-135,148.68-55,500

Finding the Fourth Proportional to 97,918.08, 135,148.68 and 55,500

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Solution

The fourth proportional to 97,918.08, 135,148.68 and 55,500 is: 76,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,918.08 : 135,148.68 = 55,500 : x
  2. Step 2: Convert to fraction form
    97,918.08/135,148.68 = 55,500/x
  3. Step 3: Cross multiply
    97,918.08x = 135,148.68 × 55,500
  4. Step 4: Simplify right side
    97,918.08x = 7,500,751,740
  5. Step 5: Solve for x
    x = 7,500,751,740/97,918.08
  6. Step 6: Final answer
    x = 76,602.32

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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.