Home / 166,283.28-229,470.57-90,831.78

Finding the Fourth Proportional to 166,283.28, 229,470.57 and 90,831.78

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Solution

The fourth proportional to 166,283.28, 229,470.57 and 90,831.78 is: 125,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,283.28 : 229,470.57 = 90,831.78 : x
  2. Step 2: Convert to fraction form
    166,283.28/229,470.57 = 90,831.78/x
  3. Step 3: Cross multiply
    166,283.28x = 229,470.57 × 90,831.78
  4. Step 4: Simplify right side
    166,283.28x = 20,843,220,330.71
  5. Step 5: Solve for x
    x = 20,843,220,330.71/166,283.28
  6. Step 6: Final answer
    x = 125,347.66

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1.5x scale

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.