Home / 256,167.10-384,295.20-106,325.20

Finding the Fourth Proportional to 256,167.10, 384,295.20 and 106,325.20

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Solution

The fourth proportional to 256,167.10, 384,295.20 and 106,325.20 is: 159,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,167.10 : 384,295.20 = 106,325.20 : x
  2. Step 2: Convert to fraction form
    256,167.10/384,295.20 = 106,325.20/x
  3. Step 3: Cross multiply
    256,167.10x = 384,295.20 × 106,325.20
  4. Step 4: Simplify right side
    256,167.10x = 40,860,263,999.04
  5. Step 5: Solve for x
    x = 40,860,263,999.04/256,167.10
  6. Step 6: Final answer
    x = 159,506.29

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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.