Home / 102,425.14-141,347.28-57,106

Finding the Fourth Proportional to 102,425.14, 141,347.28 and 57,106

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Solution

The fourth proportional to 102,425.14, 141,347.28 and 57,106 is: 78,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,425.14 : 141,347.28 = 57,106 : x
  2. Step 2: Convert to fraction form
    102,425.14/141,347.28 = 57,106/x
  3. Step 3: Cross multiply
    102,425.14x = 141,347.28 × 57,106
  4. Step 4: Simplify right side
    102,425.14x = 8,071,777,771.68
  5. Step 5: Solve for x
    x = 8,071,777,771.68/102,425.14
  6. Step 6: Final answer
    x = 78,806.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.