Home / 172,515.19-258,770.46-44,430.76

Finding the Fourth Proportional to 172,515.19, 258,770.46 and 44,430.76

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Solution

The fourth proportional to 172,515.19, 258,770.46 and 44,430.76 is: 66,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,515.19 : 258,770.46 = 44,430.76 : x
  2. Step 2: Convert to fraction form
    172,515.19/258,770.46 = 44,430.76/x
  3. Step 3: Cross multiply
    172,515.19x = 258,770.46 × 44,430.76
  4. Step 4: Simplify right side
    172,515.19x = 11,497,368,203.35
  5. Step 5: Solve for x
    x = 11,497,368,203.35/172,515.19
  6. Step 6: Final answer
    x = 66,645.54

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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.