Home / 282,556.86-423,769.59-105,147.42

Finding the Fourth Proportional to 282,556.86, 423,769.59 and 105,147.42

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Solution

The fourth proportional to 282,556.86, 423,769.59 and 105,147.42 is: 157,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,556.86 : 423,769.59 = 105,147.42 : x
  2. Step 2: Convert to fraction form
    282,556.86/423,769.59 = 105,147.42/x
  3. Step 3: Cross multiply
    282,556.86x = 423,769.59 × 105,147.42
  4. Step 4: Simplify right side
    282,556.86x = 44,558,279,062.96
  5. Step 5: Solve for x
    x = 44,558,279,062.96/282,556.86
  6. Step 6: Final answer
    x = 157,696.68

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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.