Home / 215,887.08-323,852.22-66,125.64

Finding the Fourth Proportional to 215,887.08, 323,852.22 and 66,125.64

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Solution

The fourth proportional to 215,887.08, 323,852.22 and 66,125.64 is: 99,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,887.08 : 323,852.22 = 66,125.64 : x
  2. Step 2: Convert to fraction form
    215,887.08/323,852.22 = 66,125.64/x
  3. Step 3: Cross multiply
    215,887.08x = 323,852.22 × 66,125.64
  4. Step 4: Simplify right side
    215,887.08x = 21,414,935,312.92
  5. Step 5: Solve for x
    x = 21,414,935,312.92/215,887.08
  6. Step 6: Final answer
    x = 99,195.08

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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.