Home / 133,040.26-183,592.02-72,611.65

Finding the Fourth Proportional to 133,040.26, 183,592.02 and 72,611.65

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Solution

The fourth proportional to 133,040.26, 183,592.02 and 72,611.65 is: 100,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.26 : 183,592.02 = 72,611.65 : x
  2. Step 2: Convert to fraction form
    133,040.26/183,592.02 = 72,611.65/x
  3. Step 3: Cross multiply
    133,040.26x = 183,592.02 × 72,611.65
  4. Step 4: Simplify right side
    133,040.26x = 13,330,919,499.03
  5. Step 5: Solve for x
    x = 13,330,919,499.03/133,040.26
  6. Step 6: Final answer
    x = 100,202.15

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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.