Home / 201,447.10-302,403.45-108,135.10

Finding the Fourth Proportional to 201,447.10, 302,403.45 and 108,135.10

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Solution

The fourth proportional to 201,447.10, 302,403.45 and 108,135.10 is: 162,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447.10 : 302,403.45 = 108,135.10 : x
  2. Step 2: Convert to fraction form
    201,447.10/302,403.45 = 108,135.10/x
  3. Step 3: Cross multiply
    201,447.10x = 302,403.45 × 108,135.10
  4. Step 4: Simplify right side
    201,447.10x = 32,700,427,306.10
  5. Step 5: Solve for x
    x = 32,700,427,306.10/201,447.10
  6. Step 6: Final answer
    x = 162,327.62

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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.