Home / 156,125.54-215,452.86-84,504.98

Finding the Fourth Proportional to 156,125.54, 215,452.86 and 84,504.98

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Solution

The fourth proportional to 156,125.54, 215,452.86 and 84,504.98 is: 116,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.54 : 215,452.86 = 84,504.98 : x
  2. Step 2: Convert to fraction form
    156,125.54/215,452.86 = 84,504.98/x
  3. Step 3: Cross multiply
    156,125.54x = 215,452.86 × 84,504.98
  4. Step 4: Simplify right side
    156,125.54x = 18,206,839,625.24
  5. Step 5: Solve for x
    x = 18,206,839,625.24/156,125.54
  6. Step 6: Final answer
    x = 116,616.66

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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.