Home / 141,831.90-212,553.45-100,230.30

Finding the Fourth Proportional to 141,831.90, 212,553.45 and 100,230.30

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Solution

The fourth proportional to 141,831.90, 212,553.45 and 100,230.30 is: 150,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.90 : 212,553.45 = 100,230.30 : x
  2. Step 2: Convert to fraction form
    141,831.90/212,553.45 = 100,230.30/x
  3. Step 3: Cross multiply
    141,831.90x = 212,553.45 × 100,230.30
  4. Step 4: Simplify right side
    141,831.90x = 21,304,296,059.54
  5. Step 5: Solve for x
    x = 21,304,296,059.54/141,831.90
  6. Step 6: Final answer
    x = 150,208.07

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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.