Home / 143,571.24-215,390.94-45,075.24

Finding the Fourth Proportional to 143,571.24, 215,390.94 and 45,075.24

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Solution

The fourth proportional to 143,571.24, 215,390.94 and 45,075.24 is: 67,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,571.24 : 215,390.94 = 45,075.24 : x
  2. Step 2: Convert to fraction form
    143,571.24/215,390.94 = 45,075.24/x
  3. Step 3: Cross multiply
    143,571.24x = 215,390.94 × 45,075.24
  4. Step 4: Simplify right side
    143,571.24x = 9,708,798,314.33
  5. Step 5: Solve for x
    x = 9,708,798,314.33/143,571.24
  6. Step 6: Final answer
    x = 67,623.56

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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.