Home / 218,646.04-301,733.22-123,143.80

Finding the Fourth Proportional to 218,646.04, 301,733.22 and 123,143.80

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Solution

The fourth proportional to 218,646.04, 301,733.22 and 123,143.80 is: 169,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,646.04 : 301,733.22 = 123,143.80 : x
  2. Step 2: Convert to fraction form
    218,646.04/301,733.22 = 123,143.80/x
  3. Step 3: Cross multiply
    218,646.04x = 301,733.22 × 123,143.80
  4. Step 4: Simplify right side
    218,646.04x = 37,156,575,297.04
  5. Step 5: Solve for x
    x = 37,156,575,297.04/218,646.04
  6. Step 6: Final answer
    x = 169,939.39

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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.