Home / 104,031.09-143,576.54-77,250.06

Finding the Fourth Proportional to 104,031.09, 143,576.54 and 77,250.06

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Solution

The fourth proportional to 104,031.09, 143,576.54 and 77,250.06 is: 106,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,031.09 : 143,576.54 = 77,250.06 : x
  2. Step 2: Convert to fraction form
    104,031.09/143,576.54 = 77,250.06/x
  3. Step 3: Cross multiply
    104,031.09x = 143,576.54 × 77,250.06
  4. Step 4: Simplify right side
    104,031.09x = 11,091,295,943.34
  5. Step 5: Solve for x
    x = 11,091,295,943.34/104,031.09
  6. Step 6: Final answer
    x = 106,615.20

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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.