Home / 201,382.10-301,727.55-131,225.30

Finding the Fourth Proportional to 201,382.10, 301,727.55 and 131,225.30

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Solution

The fourth proportional to 201,382.10, 301,727.55 and 131,225.30 is: 196,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,382.10 : 301,727.55 = 131,225.30 : x
  2. Step 2: Convert to fraction form
    201,382.10/301,727.55 = 131,225.30/x
  3. Step 3: Cross multiply
    201,382.10x = 301,727.55 × 131,225.30
  4. Step 4: Simplify right side
    201,382.10x = 39,594,288,267.02
  5. Step 5: Solve for x
    x = 39,594,288,267.02/201,382.10
  6. Step 6: Final answer
    x = 196,612.75

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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.