Home / 104,165.17-143,756.78-58,851.47

Finding the Fourth Proportional to 104,165.17, 143,756.78 and 58,851.47

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Solution

The fourth proportional to 104,165.17, 143,756.78 and 58,851.47 is: 81,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,165.17 : 143,756.78 = 58,851.47 : x
  2. Step 2: Convert to fraction form
    104,165.17/143,756.78 = 58,851.47/x
  3. Step 3: Cross multiply
    104,165.17x = 143,756.78 × 58,851.47
  4. Step 4: Simplify right side
    104,165.17x = 8,460,297,531.21
  5. Step 5: Solve for x
    x = 8,460,297,531.21/104,165.17
  6. Step 6: Final answer
    x = 81,220.03

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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.