Home / 156,092.31-215,407.38-84,472.35

Finding the Fourth Proportional to 156,092.31, 215,407.38 and 84,472.35

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Solution

The fourth proportional to 156,092.31, 215,407.38 and 84,472.35 is: 116,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.31 : 215,407.38 = 84,472.35 : x
  2. Step 2: Convert to fraction form
    156,092.31/215,407.38 = 84,472.35/x
  3. Step 3: Cross multiply
    156,092.31x = 215,407.38 × 84,472.35
  4. Step 4: Simplify right side
    156,092.31x = 18,195,967,595.94
  5. Step 5: Solve for x
    x = 18,195,967,595.94/156,092.31
  6. Step 6: Final answer
    x = 116,571.84

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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.