Home / 269,705.16-372,180.51-154,903.05

Finding the Fourth Proportional to 269,705.16, 372,180.51 and 154,903.05

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Solution

The fourth proportional to 269,705.16, 372,180.51 and 154,903.05 is: 213,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,705.16 : 372,180.51 = 154,903.05 : x
  2. Step 2: Convert to fraction form
    269,705.16/372,180.51 = 154,903.05/x
  3. Step 3: Cross multiply
    269,705.16x = 372,180.51 × 154,903.05
  4. Step 4: Simplify right side
    269,705.16x = 57,651,896,149.56
  5. Step 5: Solve for x
    x = 57,651,896,149.56/269,705.16
  6. Step 6: Final answer
    x = 213,758.97

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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.