Home / 145,544.13-200,850.60-81,882

Finding the Fourth Proportional to 145,544.13, 200,850.60 and 81,882

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Solution

The fourth proportional to 145,544.13, 200,850.60 and 81,882 is: 112,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544.13 : 200,850.60 = 81,882 : x
  2. Step 2: Convert to fraction form
    145,544.13/200,850.60 = 81,882/x
  3. Step 3: Cross multiply
    145,544.13x = 200,850.60 × 81,882
  4. Step 4: Simplify right side
    145,544.13x = 16,446,048,829.20
  5. Step 5: Solve for x
    x = 16,446,048,829.20/145,544.13
  6. Step 6: Final answer
    x = 112,996.99

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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.