Home / 168,965.48-233,132.74-115,362.12

Finding the Fourth Proportional to 168,965.48, 233,132.74 and 115,362.12

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Solution

The fourth proportional to 168,965.48, 233,132.74 and 115,362.12 is: 159,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,965.48 : 233,132.74 = 115,362.12 : x
  2. Step 2: Convert to fraction form
    168,965.48/233,132.74 = 115,362.12/x
  3. Step 3: Cross multiply
    168,965.48x = 233,132.74 × 115,362.12
  4. Step 4: Simplify right side
    168,965.48x = 26,894,687,127.81
  5. Step 5: Solve for x
    x = 26,894,687,127.81/168,965.48
  6. Step 6: Final answer
    x = 159,172.67

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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.