Home / 136,824.70-205,237.78-89,737.96

Finding the Fourth Proportional to 136,824.70, 205,237.78 and 89,737.96

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Solution

The fourth proportional to 136,824.70, 205,237.78 and 89,737.96 is: 134,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,824.70 : 205,237.78 = 89,737.96 : x
  2. Step 2: Convert to fraction form
    136,824.70/205,237.78 = 89,737.96/x
  3. Step 3: Cross multiply
    136,824.70x = 205,237.78 × 89,737.96
  4. Step 4: Simplify right side
    136,824.70x = 18,417,620,181.34
  5. Step 5: Solve for x
    x = 18,417,620,181.34/136,824.70
  6. Step 6: Final answer
    x = 134,607.43

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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.