Home / 143,571.42-215,342.01-38,401.02

Finding the Fourth Proportional to 143,571.42, 215,342.01 and 38,401.02

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Solution

The fourth proportional to 143,571.42, 215,342.01 and 38,401.02 is: 57,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,571.42 : 215,342.01 = 38,401.02 : x
  2. Step 2: Convert to fraction form
    143,571.42/215,342.01 = 38,401.02/x
  3. Step 3: Cross multiply
    143,571.42x = 215,342.01 × 38,401.02
  4. Step 4: Simplify right side
    143,571.42x = 8,269,352,832.85
  5. Step 5: Solve for x
    x = 8,269,352,832.85/143,571.42
  6. Step 6: Final answer
    x = 57,597.49

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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.