Home / 167,903.69-231,701.31-91,421.26

Finding the Fourth Proportional to 167,903.69, 231,701.31 and 91,421.26

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Solution

The fourth proportional to 167,903.69, 231,701.31 and 91,421.26 is: 126,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,903.69 : 231,701.31 = 91,421.26 : x
  2. Step 2: Convert to fraction form
    167,903.69/231,701.31 = 91,421.26/x
  3. Step 3: Cross multiply
    167,903.69x = 231,701.31 × 91,421.26
  4. Step 4: Simplify right side
    167,903.69x = 21,182,425,124.60
  5. Step 5: Solve for x
    x = 21,182,425,124.60/167,903.69
  6. Step 6: Final answer
    x = 126,158.19

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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.