Home / 124,145.95-186,217.62-82,213.64

Finding the Fourth Proportional to 124,145.95, 186,217.62 and 82,213.64

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Solution

The fourth proportional to 124,145.95, 186,217.62 and 82,213.64 is: 123,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.95 : 186,217.62 = 82,213.64 : x
  2. Step 2: Convert to fraction form
    124,145.95/186,217.62 = 82,213.64/x
  3. Step 3: Cross multiply
    124,145.95x = 186,217.62 × 82,213.64
  4. Step 4: Simplify right side
    124,145.95x = 15,309,628,603.64
  5. Step 5: Solve for x
    x = 15,309,628,603.64/124,145.95
  6. Step 6: Final answer
    x = 123,319.60

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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.