Home / 256,664.43-385,094.97-106,864.47

Finding the Fourth Proportional to 256,664.43, 385,094.97 and 106,864.47

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Solution

The fourth proportional to 256,664.43, 385,094.97 and 106,864.47 is: 160,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,664.43 : 385,094.97 = 106,864.47 : x
  2. Step 2: Convert to fraction form
    256,664.43/385,094.97 = 106,864.47/x
  3. Step 3: Cross multiply
    256,664.43x = 385,094.97 × 106,864.47
  4. Step 4: Simplify right side
    256,664.43x = 41,152,969,868.72
  5. Step 5: Solve for x
    x = 41,152,969,868.72/256,664.43
  6. Step 6: Final answer
    x = 160,337.64

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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.