Home / 213,534.42-320,316.24-63,771.90

Finding the Fourth Proportional to 213,534.42, 320,316.24 and 63,771.90

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Solution

The fourth proportional to 213,534.42, 320,316.24 and 63,771.90 is: 95,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,534.42 : 320,316.24 = 63,771.90 : x
  2. Step 2: Convert to fraction form
    213,534.42/320,316.24 = 63,771.90/x
  3. Step 3: Cross multiply
    213,534.42x = 320,316.24 × 63,771.90
  4. Step 4: Simplify right side
    213,534.42x = 20,427,175,225.66
  5. Step 5: Solve for x
    x = 20,427,175,225.66/213,534.42
  6. Step 6: Final answer
    x = 95,662.21

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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.