Home / 125,218.30-172,795.50-68,628.46

Finding the Fourth Proportional to 125,218.30, 172,795.50 and 68,628.46

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Solution

The fourth proportional to 125,218.30, 172,795.50 and 68,628.46 is: 94,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,218.30 : 172,795.50 = 68,628.46 : x
  2. Step 2: Convert to fraction form
    125,218.30/172,795.50 = 68,628.46/x
  3. Step 3: Cross multiply
    125,218.30x = 172,795.50 × 68,628.46
  4. Step 4: Simplify right side
    125,218.30x = 11,858,689,059.93
  5. Step 5: Solve for x
    x = 11,858,689,059.93/125,218.30
  6. Step 6: Final answer
    x = 94,704.12

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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.