Home / 210,201.24-314,738.10-131,158.20

Finding the Fourth Proportional to 210,201.24, 314,738.10 and 131,158.20

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Solution

The fourth proportional to 210,201.24, 314,738.10 and 131,158.20 is: 196,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,201.24 : 314,738.10 = 131,158.20 : x
  2. Step 2: Convert to fraction form
    210,201.24/314,738.10 = 131,158.20/x
  3. Step 3: Cross multiply
    210,201.24x = 314,738.10 × 131,158.20
  4. Step 4: Simplify right side
    210,201.24x = 41,280,482,667.42
  5. Step 5: Solve for x
    x = 41,280,482,667.42/210,201.24
  6. Step 6: Final answer
    x = 196,385.53

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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.