Home / 168,044.56-231,851.76-100,007

Finding the Fourth Proportional to 168,044.56, 231,851.76 and 100,007

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Solution

The fourth proportional to 168,044.56, 231,851.76 and 100,007 is: 137,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,044.56 : 231,851.76 = 100,007 : x
  2. Step 2: Convert to fraction form
    168,044.56/231,851.76 = 100,007/x
  3. Step 3: Cross multiply
    168,044.56x = 231,851.76 × 100,007
  4. Step 4: Simplify right side
    168,044.56x = 23,186,798,962.32
  5. Step 5: Solve for x
    x = 23,186,798,962.32/168,044.56
  6. Step 6: Final answer
    x = 137,980.06

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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.