Home / 133,027.65-183,571.41-72,597.80

Finding the Fourth Proportional to 133,027.65, 183,571.41 and 72,597.80

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Solution

The fourth proportional to 133,027.65, 183,571.41 and 72,597.80 is: 100,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,027.65 : 183,571.41 = 72,597.80 : x
  2. Step 2: Convert to fraction form
    133,027.65/183,571.41 = 72,597.80/x
  3. Step 3: Cross multiply
    133,027.65x = 183,571.41 × 72,597.80
  4. Step 4: Simplify right side
    133,027.65x = 13,326,881,240.07
  5. Step 5: Solve for x
    x = 13,326,881,240.07/133,027.65
  6. Step 6: Final answer
    x = 100,181.29

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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.