Home / 140,526.61-193,928.27-75,997.09

Finding the Fourth Proportional to 140,526.61, 193,928.27 and 75,997.09

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Solution

The fourth proportional to 140,526.61, 193,928.27 and 75,997.09 is: 104,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,526.61 : 193,928.27 = 75,997.09 : x
  2. Step 2: Convert to fraction form
    140,526.61/193,928.27 = 75,997.09/x
  3. Step 3: Cross multiply
    140,526.61x = 193,928.27 × 75,997.09
  4. Step 4: Simplify right side
    140,526.61x = 14,737,984,188.73
  5. Step 5: Solve for x
    x = 14,737,984,188.73/140,526.61
  6. Step 6: Final answer
    x = 104,876.82

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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.