Home / 187,831.77-281,793.75-54,713.26

Finding the Fourth Proportional to 187,831.77, 281,793.75 and 54,713.26

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Solution

The fourth proportional to 187,831.77, 281,793.75 and 54,713.26 is: 82,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.77 : 281,793.75 = 54,713.26 : x
  2. Step 2: Convert to fraction form
    187,831.77/281,793.75 = 54,713.26/x
  3. Step 3: Cross multiply
    187,831.77x = 281,793.75 × 54,713.26
  4. Step 4: Simplify right side
    187,831.77x = 15,417,854,710.13
  5. Step 5: Solve for x
    x = 15,417,854,710.13/187,831.77
  6. Step 6: Final answer
    x = 82,083.32

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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.