Home / 135,929.12-203,663.60-83,228.56

Finding the Fourth Proportional to 135,929.12, 203,663.60 and 83,228.56

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Solution

The fourth proportional to 135,929.12, 203,663.60 and 83,228.56 is: 124,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,929.12 : 203,663.60 = 83,228.56 : x
  2. Step 2: Convert to fraction form
    135,929.12/203,663.60 = 83,228.56/x
  3. Step 3: Cross multiply
    135,929.12x = 203,663.60 × 83,228.56
  4. Step 4: Simplify right side
    135,929.12x = 16,950,628,152.42
  5. Step 5: Solve for x
    x = 16,950,628,152.42/135,929.12
  6. Step 6: Final answer
    x = 124,701.96

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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.