Home / 168,041.36-231,792.56-100,011.89

Finding the Fourth Proportional to 168,041.36, 231,792.56 and 100,011.89

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Solution

The fourth proportional to 168,041.36, 231,792.56 and 100,011.89 is: 137,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.36 : 231,792.56 = 100,011.89 : x
  2. Step 2: Convert to fraction form
    168,041.36/231,792.56 = 100,011.89/x
  3. Step 3: Cross multiply
    168,041.36x = 231,792.56 × 100,011.89
  4. Step 4: Simplify right side
    168,041.36x = 23,182,012,013.54
  5. Step 5: Solve for x
    x = 23,182,012,013.54/168,041.36
  6. Step 6: Final answer
    x = 137,954.20

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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.