Home / 156,082.54-215,394.47-84,462.55

Finding the Fourth Proportional to 156,082.54, 215,394.47 and 84,462.55

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Solution

The fourth proportional to 156,082.54, 215,394.47 and 84,462.55 is: 116,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,082.54 : 215,394.47 = 84,462.55 : x
  2. Step 2: Convert to fraction form
    156,082.54/215,394.47 = 84,462.55/x
  3. Step 3: Cross multiply
    156,082.54x = 215,394.47 × 84,462.55
  4. Step 4: Simplify right side
    156,082.54x = 18,192,766,192.10
  5. Step 5: Solve for x
    x = 18,192,766,192.10/156,082.54
  6. Step 6: Final answer
    x = 116,558.62

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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.