Home / 75,296.35-112,943.88-19,136.62

Finding the Fourth Proportional to 75,296.35, 112,943.88 and 19,136.62

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Solution

The fourth proportional to 75,296.35, 112,943.88 and 19,136.62 is: 28,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.35 : 112,943.88 = 19,136.62 : x
  2. Step 2: Convert to fraction form
    75,296.35/112,943.88 = 19,136.62/x
  3. Step 3: Cross multiply
    75,296.35x = 112,943.88 × 19,136.62
  4. Step 4: Simplify right side
    75,296.35x = 2,161,364,112.89
  5. Step 5: Solve for x
    x = 2,161,364,112.89/75,296.35
  6. Step 6: Final answer
    x = 28,704.77

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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.