Home / 123,828.48-170,883.54-67,239.86

Finding the Fourth Proportional to 123,828.48, 170,883.54 and 67,239.86

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Solution

The fourth proportional to 123,828.48, 170,883.54 and 67,239.86 is: 92,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,828.48 : 170,883.54 = 67,239.86 : x
  2. Step 2: Convert to fraction form
    123,828.48/170,883.54 = 67,239.86/x
  3. Step 3: Cross multiply
    123,828.48x = 170,883.54 × 67,239.86
  4. Step 4: Simplify right side
    123,828.48x = 11,490,185,305.90
  5. Step 5: Solve for x
    x = 11,490,185,305.90/123,828.48
  6. Step 6: Final answer
    x = 92,791.14

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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.