Home / 140,052.82-193,272.85-76,390.58

Finding the Fourth Proportional to 140,052.82, 193,272.85 and 76,390.58

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Solution

The fourth proportional to 140,052.82, 193,272.85 and 76,390.58 is: 105,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,052.82 : 193,272.85 = 76,390.58 : x
  2. Step 2: Convert to fraction form
    140,052.82/193,272.85 = 76,390.58/x
  3. Step 3: Cross multiply
    140,052.82x = 193,272.85 × 76,390.58
  4. Step 4: Simplify right side
    140,052.82x = 14,764,225,109.75
  5. Step 5: Solve for x
    x = 14,764,225,109.75/140,052.82
  6. Step 6: Final answer
    x = 105,418.98

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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.