Home / 70,272.08-105,239.22-40,195.14

Finding the Fourth Proportional to 70,272.08, 105,239.22 and 40,195.14

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Solution

The fourth proportional to 70,272.08, 105,239.22 and 40,195.14 is: 60,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,272.08 : 105,239.22 = 40,195.14 : x
  2. Step 2: Convert to fraction form
    70,272.08/105,239.22 = 40,195.14/x
  3. Step 3: Cross multiply
    70,272.08x = 105,239.22 × 40,195.14
  4. Step 4: Simplify right side
    70,272.08x = 4,230,105,181.39
  5. Step 5: Solve for x
    x = 4,230,105,181.39/70,272.08
  6. Step 6: Final answer
    x = 60,196.10

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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.