Home / 156,181.24-215,530.50-84,562.12

Finding the Fourth Proportional to 156,181.24, 215,530.50 and 84,562.12

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Solution

The fourth proportional to 156,181.24, 215,530.50 and 84,562.12 is: 116,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,181.24 : 215,530.50 = 84,562.12 : x
  2. Step 2: Convert to fraction form
    156,181.24/215,530.50 = 84,562.12/x
  3. Step 3: Cross multiply
    156,181.24x = 215,530.50 × 84,562.12
  4. Step 4: Simplify right side
    156,181.24x = 18,225,716,004.66
  5. Step 5: Solve for x
    x = 18,225,716,004.66/156,181.24
  6. Step 6: Final answer
    x = 116,695.94

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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.