Home / 188,091.77-282,136.70-66,602.43

Finding the Fourth Proportional to 188,091.77, 282,136.70 and 66,602.43

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Solution

The fourth proportional to 188,091.77, 282,136.70 and 66,602.43 is: 99,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,091.77 : 282,136.70 = 66,602.43 : x
  2. Step 2: Convert to fraction form
    188,091.77/282,136.70 = 66,602.43/x
  3. Step 3: Cross multiply
    188,091.77x = 282,136.70 × 66,602.43
  4. Step 4: Simplify right side
    188,091.77x = 18,790,989,978.69
  5. Step 5: Solve for x
    x = 18,790,989,978.69/188,091.77
  6. Step 6: Final answer
    x = 99,903.31

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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.