Home / 188,306.37-282,459.56-55,186.65

Finding the Fourth Proportional to 188,306.37, 282,459.56 and 55,186.65

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Solution

The fourth proportional to 188,306.37, 282,459.56 and 55,186.65 is: 82,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,306.37 : 282,459.56 = 55,186.65 : x
  2. Step 2: Convert to fraction form
    188,306.37/282,459.56 = 55,186.65/x
  3. Step 3: Cross multiply
    188,306.37x = 282,459.56 × 55,186.65
  4. Step 4: Simplify right side
    188,306.37x = 15,587,996,600.94
  5. Step 5: Solve for x
    x = 15,587,996,600.94/188,306.37
  6. Step 6: Final answer
    x = 82,779.98

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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.