Home / 156,093.02-215,409.96-84,474.58

Finding the Fourth Proportional to 156,093.02, 215,409.96 and 84,474.58

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Solution

The fourth proportional to 156,093.02, 215,409.96 and 84,474.58 is: 116,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,093.02 : 215,409.96 = 84,474.58 : x
  2. Step 2: Convert to fraction form
    156,093.02/215,409.96 = 84,474.58/x
  3. Step 3: Cross multiply
    156,093.02x = 215,409.96 × 84,474.58
  4. Step 4: Simplify right side
    156,093.02x = 18,196,665,898.82
  5. Step 5: Solve for x
    x = 18,196,665,898.82/156,093.02
  6. Step 6: Final answer
    x = 116,575.78

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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.