Home / 195,237.12-269,428.80-105,813.12

Finding the Fourth Proportional to 195,237.12, 269,428.80 and 105,813.12

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Solution

The fourth proportional to 195,237.12, 269,428.80 and 105,813.12 is: 146,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,237.12 : 269,428.80 = 105,813.12 : x
  2. Step 2: Convert to fraction form
    195,237.12/269,428.80 = 105,813.12/x
  3. Step 3: Cross multiply
    195,237.12x = 269,428.80 × 105,813.12
  4. Step 4: Simplify right side
    195,237.12x = 28,509,101,945.86
  5. Step 5: Solve for x
    x = 28,509,101,945.86/195,237.12
  6. Step 6: Final answer
    x = 146,022.96

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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.