Home / 83,188.37-124,831.97-30,634.76

Finding the Fourth Proportional to 83,188.37, 124,831.97 and 30,634.76

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Solution

The fourth proportional to 83,188.37, 124,831.97 and 30,634.76 is: 45,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.37 : 124,831.97 = 30,634.76 : x
  2. Step 2: Convert to fraction form
    83,188.37/124,831.97 = 30,634.76/x
  3. Step 3: Cross multiply
    83,188.37x = 124,831.97 × 30,634.76
  4. Step 4: Simplify right side
    83,188.37x = 3,824,197,441.28
  5. Step 5: Solve for x
    x = 3,824,197,441.28/83,188.37
  6. Step 6: Final answer
    x = 45,970.34

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1.5x scale

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.