Home / 101,747.00-140,418.09-56,429.33

Finding the Fourth Proportional to 101,747.00, 140,418.09 and 56,429.33

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Solution

The fourth proportional to 101,747.00, 140,418.09 and 56,429.33 is: 77,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.00 : 140,418.09 = 56,429.33 : x
  2. Step 2: Convert to fraction form
    101,747.00/140,418.09 = 56,429.33/x
  3. Step 3: Cross multiply
    101,747.00x = 140,418.09 × 56,429.33
  4. Step 4: Simplify right side
    101,747.00x = 7,923,698,036.49
  5. Step 5: Solve for x
    x = 7,923,698,036.49/101,747.00
  6. Step 6: Final answer
    x = 77,876.48

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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.