Home / 131,650.23-181,676.58-71,220.69

Finding the Fourth Proportional to 131,650.23, 181,676.58 and 71,220.69

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Solution

The fourth proportional to 131,650.23, 181,676.58 and 71,220.69 is: 98,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.23 : 181,676.58 = 71,220.69 : x
  2. Step 2: Convert to fraction form
    131,650.23/181,676.58 = 71,220.69/x
  3. Step 3: Cross multiply
    131,650.23x = 181,676.58 × 71,220.69
  4. Step 4: Simplify right side
    131,650.23x = 12,939,131,384.44
  5. Step 5: Solve for x
    x = 12,939,131,384.44/131,650.23
  6. Step 6: Final answer
    x = 98,284.15

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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.