Home / 147,847.10-204,028.99-80,779.10

Finding the Fourth Proportional to 147,847.10, 204,028.99 and 80,779.10

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Solution

The fourth proportional to 147,847.10, 204,028.99 and 80,779.10 is: 111,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,847.10 : 204,028.99 = 80,779.10 : x
  2. Step 2: Convert to fraction form
    147,847.10/204,028.99 = 80,779.10/x
  3. Step 3: Cross multiply
    147,847.10x = 204,028.99 × 80,779.10
  4. Step 4: Simplify right side
    147,847.10x = 16,481,278,186.11
  5. Step 5: Solve for x
    x = 16,481,278,186.11/147,847.10
  6. Step 6: Final answer
    x = 111,475.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.