Home / 188,579.04-282,489.76-87,235.12

Finding the Fourth Proportional to 188,579.04, 282,489.76 and 87,235.12

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Solution

The fourth proportional to 188,579.04, 282,489.76 and 87,235.12 is: 130,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.04 : 282,489.76 = 87,235.12 : x
  2. Step 2: Convert to fraction form
    188,579.04/282,489.76 = 87,235.12/x
  3. Step 3: Cross multiply
    188,579.04x = 282,489.76 × 87,235.12
  4. Step 4: Simplify right side
    188,579.04x = 24,643,028,112.37
  5. Step 5: Solve for x
    x = 24,643,028,112.37/188,579.04
  6. Step 6: Final answer
    x = 130,677.45

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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.