Home / 121,553.34-167,743.26-67,837.74

Finding the Fourth Proportional to 121,553.34, 167,743.26 and 67,837.74

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Solution

The fourth proportional to 121,553.34, 167,743.26 and 67,837.74 is: 93,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,553.34 : 167,743.26 = 67,837.74 : x
  2. Step 2: Convert to fraction form
    121,553.34/167,743.26 = 67,837.74/x
  3. Step 3: Cross multiply
    121,553.34x = 167,743.26 × 67,837.74
  4. Step 4: Simplify right side
    121,553.34x = 11,379,323,658.63
  5. Step 5: Solve for x
    x = 11,379,323,658.63/121,553.34
  6. Step 6: Final answer
    x = 93,615.89

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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.