Home / 104,658.45-144,429.68-56,912.83

Finding the Fourth Proportional to 104,658.45, 144,429.68 and 56,912.83

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Solution

The fourth proportional to 104,658.45, 144,429.68 and 56,912.83 is: 78,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.45 : 144,429.68 = 56,912.83 : x
  2. Step 2: Convert to fraction form
    104,658.45/144,429.68 = 56,912.83/x
  3. Step 3: Cross multiply
    104,658.45x = 144,429.68 × 56,912.83
  4. Step 4: Simplify right side
    104,658.45x = 8,219,901,606.00
  5. Step 5: Solve for x
    x = 8,219,901,606.00/104,658.45
  6. Step 6: Final answer
    x = 78,540.26

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1.5x scale

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.