Home / 73,136.10-100,922.58-42,922.65

Finding the Fourth Proportional to 73,136.10, 100,922.58 and 42,922.65

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Solution

The fourth proportional to 73,136.10, 100,922.58 and 42,922.65 is: 59,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,136.10 : 100,922.58 = 42,922.65 : x
  2. Step 2: Convert to fraction form
    73,136.10/100,922.58 = 42,922.65/x
  3. Step 3: Cross multiply
    73,136.10x = 100,922.58 × 42,922.65
  4. Step 4: Simplify right side
    73,136.10x = 4,331,864,578.44
  5. Step 5: Solve for x
    x = 4,331,864,578.44/73,136.10
  6. Step 6: Final answer
    x = 59,230.18

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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.