Home / 161,682.80-223,126.16-90,063.96

Finding the Fourth Proportional to 161,682.80, 223,126.16 and 90,063.96

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Solution

The fourth proportional to 161,682.80, 223,126.16 and 90,063.96 is: 124,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,682.80 : 223,126.16 = 90,063.96 : x
  2. Step 2: Convert to fraction form
    161,682.80/223,126.16 = 90,063.96/x
  3. Step 3: Cross multiply
    161,682.80x = 223,126.16 × 90,063.96
  4. Step 4: Simplify right side
    161,682.80x = 20,095,625,549.19
  5. Step 5: Solve for x
    x = 20,095,625,549.19/161,682.80
  6. Step 6: Final answer
    x = 124,290.44

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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.