Home / 213,412.08-320,134.56-63,640.92

Finding the Fourth Proportional to 213,412.08, 320,134.56 and 63,640.92

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Solution

The fourth proportional to 213,412.08, 320,134.56 and 63,640.92 is: 95,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,412.08 : 320,134.56 = 63,640.92 : x
  2. Step 2: Convert to fraction form
    213,412.08/320,134.56 = 63,640.92/x
  3. Step 3: Cross multiply
    213,412.08x = 320,134.56 × 63,640.92
  4. Step 4: Simplify right side
    213,412.08x = 20,373,657,922.20
  5. Step 5: Solve for x
    x = 20,373,657,922.20/213,412.08
  6. Step 6: Final answer
    x = 95,466.28

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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.