Home / 210,175.48-315,337.74-131,198.32

Finding the Fourth Proportional to 210,175.48, 315,337.74 and 131,198.32

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Solution

The fourth proportional to 210,175.48, 315,337.74 and 131,198.32 is: 196,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,175.48 : 315,337.74 = 131,198.32 : x
  2. Step 2: Convert to fraction form
    210,175.48/315,337.74 = 131,198.32/x
  3. Step 3: Cross multiply
    210,175.48x = 315,337.74 × 131,198.32
  4. Step 4: Simplify right side
    210,175.48x = 41,371,781,720.60
  5. Step 5: Solve for x
    x = 41,371,781,720.60/210,175.48
  6. Step 6: Final answer
    x = 196,844.00

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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.