Home / 256,624.10-385,001.82-106,814.60

Finding the Fourth Proportional to 256,624.10, 385,001.82 and 106,814.60

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Solution

The fourth proportional to 256,624.10, 385,001.82 and 106,814.60 is: 160,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,624.10 : 385,001.82 = 106,814.60 : x
  2. Step 2: Convert to fraction form
    256,624.10/385,001.82 = 106,814.60/x
  3. Step 3: Cross multiply
    256,624.10x = 385,001.82 × 106,814.60
  4. Step 4: Simplify right side
    256,624.10x = 41,123,815,402.57
  5. Step 5: Solve for x
    x = 41,123,815,402.57/256,624.10
  6. Step 6: Final answer
    x = 160,249.23

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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.