Home / 215,075.35-296,802.43-119,581.21

Finding the Fourth Proportional to 215,075.35, 296,802.43 and 119,581.21

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Solution

The fourth proportional to 215,075.35, 296,802.43 and 119,581.21 is: 165,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,075.35 : 296,802.43 = 119,581.21 : x
  2. Step 2: Convert to fraction form
    215,075.35/296,802.43 = 119,581.21/x
  3. Step 3: Cross multiply
    215,075.35x = 296,802.43 × 119,581.21
  4. Step 4: Simplify right side
    215,075.35x = 35,491,993,710.34
  5. Step 5: Solve for x
    x = 35,491,993,710.34/215,075.35
  6. Step 6: Final answer
    x = 165,021.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.