Home / 135,720.70-203,581.05-92,983.98

Finding the Fourth Proportional to 135,720.70, 203,581.05 and 92,983.98

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Solution

The fourth proportional to 135,720.70, 203,581.05 and 92,983.98 is: 139,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,720.70 : 203,581.05 = 92,983.98 : x
  2. Step 2: Convert to fraction form
    135,720.70/203,581.05 = 92,983.98/x
  3. Step 3: Cross multiply
    135,720.70x = 203,581.05 × 92,983.98
  4. Step 4: Simplify right side
    135,720.70x = 18,929,776,281.58
  5. Step 5: Solve for x
    x = 18,929,776,281.58/135,720.70
  6. Step 6: Final answer
    x = 139,475.97

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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.