Home / 195,607.73-269,920-155,418.77

Finding the Fourth Proportional to 195,607.73, 269,920 and 155,418.77

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Solution

The fourth proportional to 195,607.73, 269,920 and 155,418.77 is: 214,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,607.73 : 269,920 = 155,418.77 : x
  2. Step 2: Convert to fraction form
    195,607.73/269,920 = 155,418.77/x
  3. Step 3: Cross multiply
    195,607.73x = 269,920 × 155,418.77
  4. Step 4: Simplify right side
    195,607.73x = 41,950,634,398.40
  5. Step 5: Solve for x
    x = 41,950,634,398.40/195,607.73
  6. Step 6: Final answer
    x = 214,463.07

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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.