Home / 133,029.42-183,584.46-72,603.94

Finding the Fourth Proportional to 133,029.42, 183,584.46 and 72,603.94

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Solution

The fourth proportional to 133,029.42, 183,584.46 and 72,603.94 is: 100,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.42 : 183,584.46 = 72,603.94 : x
  2. Step 2: Convert to fraction form
    133,029.42/183,584.46 = 72,603.94/x
  3. Step 3: Cross multiply
    133,029.42x = 183,584.46 × 72,603.94
  4. Step 4: Simplify right side
    133,029.42x = 13,328,955,118.77
  5. Step 5: Solve for x
    x = 13,328,955,118.77/133,029.42
  6. Step 6: Final answer
    x = 100,195.54

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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.