Home / 141,831.30-212,835.66-57,591.84

Finding the Fourth Proportional to 141,831.30, 212,835.66 and 57,591.84

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Solution

The fourth proportional to 141,831.30, 212,835.66 and 57,591.84 is: 86,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,831.30 : 212,835.66 = 57,591.84 : x
  2. Step 2: Convert to fraction form
    141,831.30/212,835.66 = 57,591.84/x
  3. Step 3: Cross multiply
    141,831.30x = 212,835.66 × 57,591.84
  4. Step 4: Simplify right side
    141,831.30x = 12,257,597,277.01
  5. Step 5: Solve for x
    x = 12,257,597,277.01/141,831.30
  6. Step 6: Final answer
    x = 86,423.78

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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.