Home / 255,783.18-352,967.85-141,081.78

Finding the Fourth Proportional to 255,783.18, 352,967.85 and 141,081.78

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Solution

The fourth proportional to 255,783.18, 352,967.85 and 141,081.78 is: 194,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,783.18 : 352,967.85 = 141,081.78 : x
  2. Step 2: Convert to fraction form
    255,783.18/352,967.85 = 141,081.78/x
  3. Step 3: Cross multiply
    255,783.18x = 352,967.85 × 141,081.78
  4. Step 4: Simplify right side
    255,783.18x = 49,797,332,560.77
  5. Step 5: Solve for x
    x = 49,797,332,560.77/255,783.18
  6. Step 6: Final answer
    x = 194,685.72

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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.