Home / 146,647.68-202,360.32-82,975.20

Finding the Fourth Proportional to 146,647.68, 202,360.32 and 82,975.20

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Solution

The fourth proportional to 146,647.68, 202,360.32 and 82,975.20 is: 114,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647.68 : 202,360.32 = 82,975.20 : x
  2. Step 2: Convert to fraction form
    146,647.68/202,360.32 = 82,975.20/x
  3. Step 3: Cross multiply
    146,647.68x = 202,360.32 × 82,975.20
  4. Step 4: Simplify right side
    146,647.68x = 16,790,888,024.06
  5. Step 5: Solve for x
    x = 16,790,888,024.06/146,647.68
  6. Step 6: Final answer
    x = 114,498.15

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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.