Home / 136,678.31-204,838.54-73,424.50

Finding the Fourth Proportional to 136,678.31, 204,838.54 and 73,424.50

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Solution

The fourth proportional to 136,678.31, 204,838.54 and 73,424.50 is: 110,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,678.31 : 204,838.54 = 73,424.50 : x
  2. Step 2: Convert to fraction form
    136,678.31/204,838.54 = 73,424.50/x
  3. Step 3: Cross multiply
    136,678.31x = 204,838.54 × 73,424.50
  4. Step 4: Simplify right side
    136,678.31x = 15,040,167,380.23
  5. Step 5: Solve for x
    x = 15,040,167,380.23/136,678.31
  6. Step 6: Final answer
    x = 110,040.63

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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.