Home / 129,440.80-194,167.60-67,232.80

Finding the Fourth Proportional to 129,440.80, 194,167.60 and 67,232.80

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Solution

The fourth proportional to 129,440.80, 194,167.60 and 67,232.80 is: 100,852.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,440.80 : 194,167.60 = 67,232.80 : x
  2. Step 2: Convert to fraction form
    129,440.80/194,167.60 = 67,232.80/x
  3. Step 3: Cross multiply
    129,440.80x = 194,167.60 × 67,232.80
  4. Step 4: Simplify right side
    129,440.80x = 13,054,431,417.28
  5. Step 5: Solve for x
    x = 13,054,431,417.28/129,440.80
  6. Step 6: Final answer
    x = 100,852.52

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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.