Home / 269,895.15-405,089.64-136,867.23

Finding the Fourth Proportional to 269,895.15, 405,089.64 and 136,867.23

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Solution

The fourth proportional to 269,895.15, 405,089.64 and 136,867.23 is: 205,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,895.15 : 405,089.64 = 136,867.23 : x
  2. Step 2: Convert to fraction form
    269,895.15/405,089.64 = 136,867.23/x
  3. Step 3: Cross multiply
    269,895.15x = 405,089.64 × 136,867.23
  4. Step 4: Simplify right side
    269,895.15x = 55,443,496,928.50
  5. Step 5: Solve for x
    x = 55,443,496,928.50/269,895.15
  6. Step 6: Final answer
    x = 205,426.06

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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.