Home / 146,831.20-220,304.40-53,346.40

Finding the Fourth Proportional to 146,831.20, 220,304.40 and 53,346.40

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Solution

The fourth proportional to 146,831.20, 220,304.40 and 53,346.40 is: 80,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,831.20 : 220,304.40 = 53,346.40 : x
  2. Step 2: Convert to fraction form
    146,831.20/220,304.40 = 53,346.40/x
  3. Step 3: Cross multiply
    146,831.20x = 220,304.40 × 53,346.40
  4. Step 4: Simplify right side
    146,831.20x = 11,752,446,644.16
  5. Step 5: Solve for x
    x = 11,752,446,644.16/146,831.20
  6. Step 6: Final answer
    x = 80,040.53

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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.