Home / 143,383.72-215,075.10-36,767.56

Finding the Fourth Proportional to 143,383.72, 215,075.10 and 36,767.56

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Solution

The fourth proportional to 143,383.72, 215,075.10 and 36,767.56 is: 55,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,383.72 : 215,075.10 = 36,767.56 : x
  2. Step 2: Convert to fraction form
    143,383.72/215,075.10 = 36,767.56/x
  3. Step 3: Cross multiply
    143,383.72x = 215,075.10 × 36,767.56
  4. Step 4: Simplify right side
    143,383.72x = 7,907,786,643.76
  5. Step 5: Solve for x
    x = 7,907,786,643.76/143,383.72
  6. Step 6: Final answer
    x = 55,151.22

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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.