Home / 123,743.49-170,768.06-67,154.86

Finding the Fourth Proportional to 123,743.49, 170,768.06 and 67,154.86

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Solution

The fourth proportional to 123,743.49, 170,768.06 and 67,154.86 is: 92,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.49 : 170,768.06 = 67,154.86 : x
  2. Step 2: Convert to fraction form
    123,743.49/170,768.06 = 67,154.86/x
  3. Step 3: Cross multiply
    123,743.49x = 170,768.06 × 67,154.86
  4. Step 4: Simplify right side
    123,743.49x = 11,467,905,291.29
  5. Step 5: Solve for x
    x = 11,467,905,291.29/123,743.49
  6. Step 6: Final answer
    x = 92,674.82

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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.