Home / 289,042.10-433,757.55-131,189.30

Finding the Fourth Proportional to 289,042.10, 433,757.55 and 131,189.30

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Solution

The fourth proportional to 289,042.10, 433,757.55 and 131,189.30 is: 196,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,042.10 : 433,757.55 = 131,189.30 : x
  2. Step 2: Convert to fraction form
    289,042.10/433,757.55 = 131,189.30/x
  3. Step 3: Cross multiply
    289,042.10x = 433,757.55 × 131,189.30
  4. Step 4: Simplify right side
    289,042.10x = 56,904,349,354.22
  5. Step 5: Solve for x
    x = 56,904,349,354.22/289,042.10
  6. Step 6: Final answer
    x = 196,872.18

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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.