Home / 156,393.18-215,922.39-102,773.34

Finding the Fourth Proportional to 156,393.18, 215,922.39 and 102,773.34

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Solution

The fourth proportional to 156,393.18, 215,922.39 and 102,773.34 is: 141,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,393.18 : 215,922.39 = 102,773.34 : x
  2. Step 2: Convert to fraction form
    156,393.18/215,922.39 = 102,773.34/x
  3. Step 3: Cross multiply
    156,393.18x = 215,922.39 × 102,773.34
  4. Step 4: Simplify right side
    156,393.18x = 22,191,065,201.08
  5. Step 5: Solve for x
    x = 22,191,065,201.08/156,393.18
  6. Step 6: Final answer
    x = 141,892.79

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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.