Home / 134,997.44-186,307.49-77,655.31

Finding the Fourth Proportional to 134,997.44, 186,307.49 and 77,655.31

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Solution

The fourth proportional to 134,997.44, 186,307.49 and 77,655.31 is: 107,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,997.44 : 186,307.49 = 77,655.31 : x
  2. Step 2: Convert to fraction form
    134,997.44/186,307.49 = 77,655.31/x
  3. Step 3: Cross multiply
    134,997.44x = 186,307.49 × 77,655.31
  4. Step 4: Simplify right side
    134,997.44x = 14,467,765,619.64
  5. Step 5: Solve for x
    x = 14,467,765,619.64/134,997.44
  6. Step 6: Final answer
    x = 107,170.67

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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.