Home / 133,265.09-183,888.09-85,583.04

Finding the Fourth Proportional to 133,265.09, 183,888.09 and 85,583.04

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Solution

The fourth proportional to 133,265.09, 183,888.09 and 85,583.04 is: 118,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.09 : 183,888.09 = 85,583.04 : x
  2. Step 2: Convert to fraction form
    133,265.09/183,888.09 = 85,583.04/x
  3. Step 3: Cross multiply
    133,265.09x = 183,888.09 × 85,583.04
  4. Step 4: Simplify right side
    133,265.09x = 15,737,701,761.99
  5. Step 5: Solve for x
    x = 15,737,701,761.99/133,265.09
  6. Step 6: Final answer
    x = 118,093.21

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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.