Home / 112,887.79-169,310.11-56,712.30

Finding the Fourth Proportional to 112,887.79, 169,310.11 and 56,712.30

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Solution

The fourth proportional to 112,887.79, 169,310.11 and 56,712.30 is: 85,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887.79 : 169,310.11 = 56,712.30 : x
  2. Step 2: Convert to fraction form
    112,887.79/169,310.11 = 56,712.30/x
  3. Step 3: Cross multiply
    112,887.79x = 169,310.11 × 56,712.30
  4. Step 4: Simplify right side
    112,887.79x = 9,601,965,467.79
  5. Step 5: Solve for x
    x = 9,601,965,467.79/112,887.79
  6. Step 6: Final answer
    x = 85,057.61

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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.