Home / 256,140.07-353,471.63-141,425.85

Finding the Fourth Proportional to 256,140.07, 353,471.63 and 141,425.85

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Solution

The fourth proportional to 256,140.07, 353,471.63 and 141,425.85 is: 195,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,140.07 : 353,471.63 = 141,425.85 : x
  2. Step 2: Convert to fraction form
    256,140.07/353,471.63 = 141,425.85/x
  3. Step 3: Cross multiply
    256,140.07x = 353,471.63 × 141,425.85
  4. Step 4: Simplify right side
    256,140.07x = 49,990,025,723.64
  5. Step 5: Solve for x
    x = 49,990,025,723.64/256,140.07
  6. Step 6: Final answer
    x = 195,166.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.