Home / 161,636.42-223,053.27-90,014.96

Finding the Fourth Proportional to 161,636.42, 223,053.27 and 90,014.96

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Solution

The fourth proportional to 161,636.42, 223,053.27 and 90,014.96 is: 124,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,636.42 : 223,053.27 = 90,014.96 : x
  2. Step 2: Convert to fraction form
    161,636.42/223,053.27 = 90,014.96/x
  3. Step 3: Cross multiply
    161,636.42x = 223,053.27 × 90,014.96
  4. Step 4: Simplify right side
    161,636.42x = 20,078,131,176.92
  5. Step 5: Solve for x
    x = 20,078,131,176.92/161,636.42
  6. Step 6: Final answer
    x = 124,217.87

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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.