Home / 210,136.44-289,976.28-119,479.56

Finding the Fourth Proportional to 210,136.44, 289,976.28 and 119,479.56

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Solution

The fourth proportional to 210,136.44, 289,976.28 and 119,479.56 is: 164,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,136.44 : 289,976.28 = 119,479.56 : x
  2. Step 2: Convert to fraction form
    210,136.44/289,976.28 = 119,479.56/x
  3. Step 3: Cross multiply
    210,136.44x = 289,976.28 × 119,479.56
  4. Step 4: Simplify right side
    210,136.44x = 34,646,238,344.84
  5. Step 5: Solve for x
    x = 34,646,238,344.84/210,136.44
  6. Step 6: Final answer
    x = 164,874.97

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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.