Home / 156,093.31-215,408.76-84,473.35

Finding the Fourth Proportional to 156,093.31, 215,408.76 and 84,473.35

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Solution

The fourth proportional to 156,093.31, 215,408.76 and 84,473.35 is: 116,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,093.31 : 215,408.76 = 84,473.35 : x
  2. Step 2: Convert to fraction form
    156,093.31/215,408.76 = 84,473.35/x
  3. Step 3: Cross multiply
    156,093.31x = 215,408.76 × 84,473.35
  4. Step 4: Simplify right side
    156,093.31x = 18,196,299,576.55
  5. Step 5: Solve for x
    x = 18,196,299,576.55/156,093.31
  6. Step 6: Final answer
    x = 116,573.22

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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.