Home / 126,020.32-173,915.92-69,431.68

Finding the Fourth Proportional to 126,020.32, 173,915.92 and 69,431.68

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Solution

The fourth proportional to 126,020.32, 173,915.92 and 69,431.68 is: 95,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.32 : 173,915.92 = 69,431.68 : x
  2. Step 2: Convert to fraction form
    126,020.32/173,915.92 = 69,431.68/x
  3. Step 3: Cross multiply
    126,020.32x = 173,915.92 × 69,431.68
  4. Step 4: Simplify right side
    126,020.32x = 12,075,274,504.35
  5. Step 5: Solve for x
    x = 12,075,274,504.35/126,020.32
  6. Step 6: Final answer
    x = 95,820.06

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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.