Home / 146,831.80-220,031.52-65,680.42

Finding the Fourth Proportional to 146,831.80, 220,031.52 and 65,680.42

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Solution

The fourth proportional to 146,831.80, 220,031.52 and 65,680.42 is: 98,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,831.80 : 220,031.52 = 65,680.42 : x
  2. Step 2: Convert to fraction form
    146,831.80/220,031.52 = 65,680.42/x
  3. Step 3: Cross multiply
    146,831.80x = 220,031.52 × 65,680.42
  4. Step 4: Simplify right side
    146,831.80x = 14,451,762,646.84
  5. Step 5: Solve for x
    x = 14,451,762,646.84/146,831.80
  6. Step 6: Final answer
    x = 98,423.93

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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.