Home / 117,330.57-161,914.68-63,615.42

Finding the Fourth Proportional to 117,330.57, 161,914.68 and 63,615.42

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Solution

The fourth proportional to 117,330.57, 161,914.68 and 63,615.42 is: 87,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,330.57 : 161,914.68 = 63,615.42 : x
  2. Step 2: Convert to fraction form
    117,330.57/161,914.68 = 63,615.42/x
  3. Step 3: Cross multiply
    117,330.57x = 161,914.68 × 63,615.42
  4. Step 4: Simplify right side
    117,330.57x = 10,300,270,372.37
  5. Step 5: Solve for x
    x = 10,300,270,372.37/117,330.57
  6. Step 6: Final answer
    x = 87,788.46

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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.