Home / 101,823.21-152,578.89-51,828.39

Finding the Fourth Proportional to 101,823.21, 152,578.89 and 51,828.39

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Solution

The fourth proportional to 101,823.21, 152,578.89 and 51,828.39 is: 77,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,823.21 : 152,578.89 = 51,828.39 : x
  2. Step 2: Convert to fraction form
    101,823.21/152,578.89 = 51,828.39/x
  3. Step 3: Cross multiply
    101,823.21x = 152,578.89 × 51,828.39
  4. Step 4: Simplify right side
    101,823.21x = 7,907,918,216.69
  5. Step 5: Solve for x
    x = 7,907,918,216.69/101,823.21
  6. Step 6: Final answer
    x = 77,663.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.