Home / 188,133.48-282,134.61-82,895.04

Finding the Fourth Proportional to 188,133.48, 282,134.61 and 82,895.04

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Solution

The fourth proportional to 188,133.48, 282,134.61 and 82,895.04 is: 124,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,133.48 : 282,134.61 = 82,895.04 : x
  2. Step 2: Convert to fraction form
    188,133.48/282,134.61 = 82,895.04/x
  3. Step 3: Cross multiply
    188,133.48x = 282,134.61 × 82,895.04
  4. Step 4: Simplify right side
    188,133.48x = 23,387,559,781.33
  5. Step 5: Solve for x
    x = 23,387,559,781.33/188,133.48
  6. Step 6: Final answer
    x = 124,313.65

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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.