Home / 180,748.54-271,126.41-127,221.58

Finding the Fourth Proportional to 180,748.54, 271,126.41 and 127,221.58

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Solution

The fourth proportional to 180,748.54, 271,126.41 and 127,221.58 is: 190,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,748.54 : 271,126.41 = 127,221.58 : x
  2. Step 2: Convert to fraction form
    180,748.54/271,126.41 = 127,221.58/x
  3. Step 3: Cross multiply
    180,748.54x = 271,126.41 × 127,221.58
  4. Step 4: Simplify right side
    180,748.54x = 34,493,130,259.93
  5. Step 5: Solve for x
    x = 34,493,130,259.93/180,748.54
  6. Step 6: Final answer
    x = 190,834.90

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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.