Home / 145,635.01-200,963.50-81,099.37

Finding the Fourth Proportional to 145,635.01, 200,963.50 and 81,099.37

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Solution

The fourth proportional to 145,635.01, 200,963.50 and 81,099.37 is: 111,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,635.01 : 200,963.50 = 81,099.37 : x
  2. Step 2: Convert to fraction form
    145,635.01/200,963.50 = 81,099.37/x
  3. Step 3: Cross multiply
    145,635.01x = 200,963.50 × 81,099.37
  4. Step 4: Simplify right side
    145,635.01x = 16,298,013,243.00
  5. Step 5: Solve for x
    x = 16,298,013,243.00/145,635.01
  6. Step 6: Final answer
    x = 111,910.00

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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.