Home / 142,240.59-213,369.09-53,494.86

Finding the Fourth Proportional to 142,240.59, 213,369.09 and 53,494.86

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Solution

The fourth proportional to 142,240.59, 213,369.09 and 53,494.86 is: 80,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,240.59 : 213,369.09 = 53,494.86 : x
  2. Step 2: Convert to fraction form
    142,240.59/213,369.09 = 53,494.86/x
  3. Step 3: Cross multiply
    142,240.59x = 213,369.09 × 53,494.86
  4. Step 4: Simplify right side
    142,240.59x = 11,414,149,597.88
  5. Step 5: Solve for x
    x = 11,414,149,597.88/142,240.59
  6. Step 6: Final answer
    x = 80,245.38

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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.