Home / 143,416.85-215,125.11-43,576.65

Finding the Fourth Proportional to 143,416.85, 215,125.11 and 43,576.65

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Solution

The fourth proportional to 143,416.85, 215,125.11 and 43,576.65 is: 65,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,416.85 : 215,125.11 = 43,576.65 : x
  2. Step 2: Convert to fraction form
    143,416.85/215,125.11 = 43,576.65/x
  3. Step 3: Cross multiply
    143,416.85x = 215,125.11 × 43,576.65
  4. Step 4: Simplify right side
    143,416.85x = 9,374,431,624.68
  5. Step 5: Solve for x
    x = 9,374,431,624.68/143,416.85
  6. Step 6: Final answer
    x = 65,364.93

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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.