Home / 103,177.50-154,566.96-76,112.16

Finding the Fourth Proportional to 103,177.50, 154,566.96 and 76,112.16

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Solution

The fourth proportional to 103,177.50, 154,566.96 and 76,112.16 is: 114,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,177.50 : 154,566.96 = 76,112.16 : x
  2. Step 2: Convert to fraction form
    103,177.50/154,566.96 = 76,112.16/x
  3. Step 3: Cross multiply
    103,177.50x = 154,566.96 × 76,112.16
  4. Step 4: Simplify right side
    103,177.50x = 11,764,425,190.23
  5. Step 5: Solve for x
    x = 11,764,425,190.23/103,177.50
  6. Step 6: Final answer
    x = 114,021.23

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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.