Home / 131,736.33-197,635.93-42,989.99

Finding the Fourth Proportional to 131,736.33, 197,635.93 and 42,989.99

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Solution

The fourth proportional to 131,736.33, 197,635.93 and 42,989.99 is: 64,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.33 : 197,635.93 = 42,989.99 : x
  2. Step 2: Convert to fraction form
    131,736.33/197,635.93 = 42,989.99/x
  3. Step 3: Cross multiply
    131,736.33x = 197,635.93 × 42,989.99
  4. Step 4: Simplify right side
    131,736.33x = 8,496,366,439.39
  5. Step 5: Solve for x
    x = 8,496,366,439.39/131,736.33
  6. Step 6: Final answer
    x = 64,495.24

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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.