Home / 210,199.24-314,735.10-131,156.20

Finding the Fourth Proportional to 210,199.24, 314,735.10 and 131,156.20

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Solution

The fourth proportional to 210,199.24, 314,735.10 and 131,156.20 is: 196,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,199.24 : 314,735.10 = 131,156.20 : x
  2. Step 2: Convert to fraction form
    210,199.24/314,735.10 = 131,156.20/x
  3. Step 3: Cross multiply
    210,199.24x = 314,735.10 × 131,156.20
  4. Step 4: Simplify right side
    210,199.24x = 41,279,459,722.62
  5. Step 5: Solve for x
    x = 41,279,459,722.62/210,199.24
  6. Step 6: Final answer
    x = 196,382.54

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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.