Home / 156,282.00-215,668.29-84,663.42

Finding the Fourth Proportional to 156,282.00, 215,668.29 and 84,663.42

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Solution

The fourth proportional to 156,282.00, 215,668.29 and 84,663.42 is: 116,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,282.00 : 215,668.29 = 84,663.42 : x
  2. Step 2: Convert to fraction form
    156,282.00/215,668.29 = 84,663.42/x
  3. Step 3: Cross multiply
    156,282.00x = 215,668.29 × 84,663.42
  4. Step 4: Simplify right side
    156,282.00x = 18,259,214,689.44
  5. Step 5: Solve for x
    x = 18,259,214,689.44/156,282.00
  6. Step 6: Final answer
    x = 116,835.05

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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.