Home / 134,428.82-185,510.86-73,997.85

Finding the Fourth Proportional to 134,428.82, 185,510.86 and 73,997.85

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Solution

The fourth proportional to 134,428.82, 185,510.86 and 73,997.85 is: 102,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.82 : 185,510.86 = 73,997.85 : x
  2. Step 2: Convert to fraction form
    134,428.82/185,510.86 = 73,997.85/x
  3. Step 3: Cross multiply
    134,428.82x = 185,510.86 × 73,997.85
  4. Step 4: Simplify right side
    134,428.82x = 13,727,405,302.32
  5. Step 5: Solve for x
    x = 13,727,405,302.32/134,428.82
  6. Step 6: Final answer
    x = 102,116.54

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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.