Home / 156,078.36-234,060.84-54,855.90

Finding the Fourth Proportional to 156,078.36, 234,060.84 and 54,855.90

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Solution

The fourth proportional to 156,078.36, 234,060.84 and 54,855.90 is: 82,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,078.36 : 234,060.84 = 54,855.90 : x
  2. Step 2: Convert to fraction form
    156,078.36/234,060.84 = 54,855.90/x
  3. Step 3: Cross multiply
    156,078.36x = 234,060.84 × 54,855.90
  4. Step 4: Simplify right side
    156,078.36x = 12,839,618,032.96
  5. Step 5: Solve for x
    x = 12,839,618,032.96/156,078.36
  6. Step 6: Final answer
    x = 82,263.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.