Home / 642,379.14-963,494.19-169,101.41

Finding the Fourth Proportional to 642,379.14, 963,494.19 and 169,101.41

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Solution

The fourth proportional to 642,379.14, 963,494.19 and 169,101.41 is: 253,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,379.14 : 963,494.19 = 169,101.41 : x
  2. Step 2: Convert to fraction form
    642,379.14/963,494.19 = 169,101.41/x
  3. Step 3: Cross multiply
    642,379.14x = 963,494.19 × 169,101.41
  4. Step 4: Simplify right side
    642,379.14x = 162,928,221,238.34
  5. Step 5: Solve for x
    x = 162,928,221,238.34/642,379.14
  6. Step 6: Final answer
    x = 253,632.49

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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.