Home / 141,571.55-212,431.10-57,393.92

Finding the Fourth Proportional to 141,571.55, 212,431.10 and 57,393.92

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Solution

The fourth proportional to 141,571.55, 212,431.10 and 57,393.92 is: 86,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,571.55 : 212,431.10 = 57,393.92 : x
  2. Step 2: Convert to fraction form
    141,571.55/212,431.10 = 57,393.92/x
  3. Step 3: Cross multiply
    141,571.55x = 212,431.10 × 57,393.92
  4. Step 4: Simplify right side
    141,571.55x = 12,192,252,209.79
  5. Step 5: Solve for x
    x = 12,192,252,209.79/141,571.55
  6. Step 6: Final answer
    x = 86,120.78

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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.