Home / 156,083.15-215,396.34-84,464.84

Finding the Fourth Proportional to 156,083.15, 215,396.34 and 84,464.84

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Solution

The fourth proportional to 156,083.15, 215,396.34 and 84,464.84 is: 116,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,083.15 : 215,396.34 = 84,464.84 : x
  2. Step 2: Convert to fraction form
    156,083.15/215,396.34 = 84,464.84/x
  3. Step 3: Cross multiply
    156,083.15x = 215,396.34 × 84,464.84
  4. Step 4: Simplify right side
    156,083.15x = 18,193,417,394.69
  5. Step 5: Solve for x
    x = 18,193,417,394.69/156,083.15
  6. Step 6: Final answer
    x = 116,562.34

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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.