Home / 214,200.30-320,911.65-130,997.10

Finding the Fourth Proportional to 214,200.30, 320,911.65 and 130,997.10

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Solution

The fourth proportional to 214,200.30, 320,911.65 and 130,997.10 is: 196,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,200.30 : 320,911.65 = 130,997.10 : x
  2. Step 2: Convert to fraction form
    214,200.30/320,911.65 = 130,997.10/x
  3. Step 3: Cross multiply
    214,200.30x = 320,911.65 × 130,997.10
  4. Step 4: Simplify right side
    214,200.30x = 42,038,495,506.22
  5. Step 5: Solve for x
    x = 42,038,495,506.22/214,200.30
  6. Step 6: Final answer
    x = 196,257.87

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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.