Home / 143,115.34-214,771.43-49,621.09

Finding the Fourth Proportional to 143,115.34, 214,771.43 and 49,621.09

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Solution

The fourth proportional to 143,115.34, 214,771.43 and 49,621.09 is: 74,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,115.34 : 214,771.43 = 49,621.09 : x
  2. Step 2: Convert to fraction form
    143,115.34/214,771.43 = 49,621.09/x
  3. Step 3: Cross multiply
    143,115.34x = 214,771.43 × 49,621.09
  4. Step 4: Simplify right side
    143,115.34x = 10,657,192,457.46
  5. Step 5: Solve for x
    x = 10,657,192,457.46/143,115.34
  6. Step 6: Final answer
    x = 74,465.76

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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.