Home / 211,425.58-316,516.22-141,130.54

Finding the Fourth Proportional to 211,425.58, 316,516.22 and 141,130.54

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Solution

The fourth proportional to 211,425.58, 316,516.22 and 141,130.54 is: 211,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425.58 : 316,516.22 = 141,130.54 : x
  2. Step 2: Convert to fraction form
    211,425.58/316,516.22 = 141,130.54/x
  3. Step 3: Cross multiply
    211,425.58x = 316,516.22 × 141,130.54
  4. Step 4: Simplify right side
    211,425.58x = 44,670,102,759.13
  5. Step 5: Solve for x
    x = 44,670,102,759.13/211,425.58
  6. Step 6: Final answer
    x = 211,280.51

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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.