Home / 269,665.56-372,121.74-148,807.80

Finding the Fourth Proportional to 269,665.56, 372,121.74 and 148,807.80

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Solution

The fourth proportional to 269,665.56, 372,121.74 and 148,807.80 is: 205,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,665.56 : 372,121.74 = 148,807.80 : x
  2. Step 2: Convert to fraction form
    269,665.56/372,121.74 = 148,807.80/x
  3. Step 3: Cross multiply
    269,665.56x = 372,121.74 × 148,807.80
  4. Step 4: Simplify right side
    269,665.56x = 55,374,617,461.57
  5. Step 5: Solve for x
    x = 55,374,617,461.57/269,665.56
  6. Step 6: Final answer
    x = 205,345.53

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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.