Home / 95,450.98-131,820.34-71,539.78

Finding the Fourth Proportional to 95,450.98, 131,820.34 and 71,539.78

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Solution

The fourth proportional to 95,450.98, 131,820.34 and 71,539.78 is: 98,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,450.98 : 131,820.34 = 71,539.78 : x
  2. Step 2: Convert to fraction form
    95,450.98/131,820.34 = 71,539.78/x
  3. Step 3: Cross multiply
    95,450.98x = 131,820.34 × 71,539.78
  4. Step 4: Simplify right side
    95,450.98x = 9,430,398,123.13
  5. Step 5: Solve for x
    x = 9,430,398,123.13/95,450.98
  6. Step 6: Final answer
    x = 98,798.34

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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.