Home / 215,054.42-296,136.88-154,518.26

Finding the Fourth Proportional to 215,054.42, 296,136.88 and 154,518.26

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Solution

The fourth proportional to 215,054.42, 296,136.88 and 154,518.26 is: 212,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,054.42 : 296,136.88 = 154,518.26 : x
  2. Step 2: Convert to fraction form
    215,054.42/296,136.88 = 154,518.26/x
  3. Step 3: Cross multiply
    215,054.42x = 296,136.88 × 154,518.26
  4. Step 4: Simplify right side
    215,054.42x = 45,758,553,552.45
  5. Step 5: Solve for x
    x = 45,758,553,552.45/215,054.42
  6. Step 6: Final answer
    x = 212,776.63

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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.