Home / 129,482.80-194,146.36-50,634.16

Finding the Fourth Proportional to 129,482.80, 194,146.36 and 50,634.16

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Solution

The fourth proportional to 129,482.80, 194,146.36 and 50,634.16 is: 75,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482.80 : 194,146.36 = 50,634.16 : x
  2. Step 2: Convert to fraction form
    129,482.80/194,146.36 = 50,634.16/x
  3. Step 3: Cross multiply
    129,482.80x = 194,146.36 × 50,634.16
  4. Step 4: Simplify right side
    129,482.80x = 9,830,437,855.66
  5. Step 5: Solve for x
    x = 9,830,437,855.66/129,482.80
  6. Step 6: Final answer
    x = 75,920.80

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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.