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Finding the Fourth Proportional to 141,676.66, 212,514.74 and 97,168.48

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Solution

The fourth proportional to 141,676.66, 212,514.74 and 97,168.48 is: 145,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,676.66 : 212,514.74 = 97,168.48 : x
  2. Step 2: Convert to fraction form
    141,676.66/212,514.74 = 97,168.48/x
  3. Step 3: Cross multiply
    141,676.66x = 212,514.74 × 97,168.48
  4. Step 4: Simplify right side
    141,676.66x = 20,649,733,610.65
  5. Step 5: Solve for x
    x = 20,649,733,610.65/141,676.66
  6. Step 6: Final answer
    x = 145,752.54

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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.