Home / 115,579.90-159,511.74-67,832.22

Finding the Fourth Proportional to 115,579.90, 159,511.74 and 67,832.22

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Solution

The fourth proportional to 115,579.90, 159,511.74 and 67,832.22 is: 93,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,579.90 : 159,511.74 = 67,832.22 : x
  2. Step 2: Convert to fraction form
    115,579.90/159,511.74 = 67,832.22/x
  3. Step 3: Cross multiply
    115,579.90x = 159,511.74 × 67,832.22
  4. Step 4: Simplify right side
    115,579.90x = 10,820,035,440.26
  5. Step 5: Solve for x
    x = 10,820,035,440.26/115,579.90
  6. Step 6: Final answer
    x = 93,615.20

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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.