Home / 215,005.27-296,710.82-118,213.21

Finding the Fourth Proportional to 215,005.27, 296,710.82 and 118,213.21

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Solution

The fourth proportional to 215,005.27, 296,710.82 and 118,213.21 is: 163,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,005.27 : 296,710.82 = 118,213.21 : x
  2. Step 2: Convert to fraction form
    215,005.27/296,710.82 = 118,213.21/x
  3. Step 3: Cross multiply
    215,005.27x = 296,710.82 × 118,213.21
  4. Step 4: Simplify right side
    215,005.27x = 35,075,138,473.93
  5. Step 5: Solve for x
    x = 35,075,138,473.93/215,005.27
  6. Step 6: Final answer
    x = 163,136.18

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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.