Home / 143,075.87-214,613.65-54,329.23

Finding the Fourth Proportional to 143,075.87, 214,613.65 and 54,329.23

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Solution

The fourth proportional to 143,075.87, 214,613.65 and 54,329.23 is: 81,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,075.87 : 214,613.65 = 54,329.23 : x
  2. Step 2: Convert to fraction form
    143,075.87/214,613.65 = 54,329.23/x
  3. Step 3: Cross multiply
    143,075.87x = 214,613.65 × 54,329.23
  4. Step 4: Simplify right side
    143,075.87x = 11,659,794,688.17
  5. Step 5: Solve for x
    x = 11,659,794,688.17/143,075.87
  6. Step 6: Final answer
    x = 81,493.79

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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.