Home / 156,371.06-215,884.53-102,749.94

Finding the Fourth Proportional to 156,371.06, 215,884.53 and 102,749.94

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Solution

The fourth proportional to 156,371.06, 215,884.53 and 102,749.94 is: 141,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,371.06 : 215,884.53 = 102,749.94 : x
  2. Step 2: Convert to fraction form
    156,371.06/215,884.53 = 102,749.94/x
  3. Step 3: Cross multiply
    156,371.06x = 215,884.53 × 102,749.94
  4. Step 4: Simplify right side
    156,371.06x = 22,182,122,504.43
  5. Step 5: Solve for x
    x = 22,182,122,504.43/156,371.06
  6. Step 6: Final answer
    x = 141,855.68

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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.