Home / 229,890.21-344,834.97-72,130.96

Finding the Fourth Proportional to 229,890.21, 344,834.97 and 72,130.96

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Solution

The fourth proportional to 229,890.21, 344,834.97 and 72,130.96 is: 108,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,890.21 : 344,834.97 = 72,130.96 : x
  2. Step 2: Convert to fraction form
    229,890.21/344,834.97 = 72,130.96/x
  3. Step 3: Cross multiply
    229,890.21x = 344,834.97 × 72,130.96
  4. Step 4: Simplify right side
    229,890.21x = 24,873,277,427.67
  5. Step 5: Solve for x
    x = 24,873,277,427.67/229,890.21
  6. Step 6: Final answer
    x = 108,196.33

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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.