Home / 213,779.10-320,593.05-73,505.10

Finding the Fourth Proportional to 213,779.10, 320,593.05 and 73,505.10

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Solution

The fourth proportional to 213,779.10, 320,593.05 and 73,505.10 is: 110,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,779.10 : 320,593.05 = 73,505.10 : x
  2. Step 2: Convert to fraction form
    213,779.10/320,593.05 = 73,505.10/x
  3. Step 3: Cross multiply
    213,779.10x = 320,593.05 × 73,505.10
  4. Step 4: Simplify right side
    213,779.10x = 23,565,224,199.56
  5. Step 5: Solve for x
    x = 23,565,224,199.56/213,779.10
  6. Step 6: Final answer
    x = 110,231.66

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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.