Home / 172,106.91-237,512.79-104,136.36

Finding the Fourth Proportional to 172,106.91, 237,512.79 and 104,136.36

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Solution

The fourth proportional to 172,106.91, 237,512.79 and 104,136.36 is: 143,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,106.91 : 237,512.79 = 104,136.36 : x
  2. Step 2: Convert to fraction form
    172,106.91/237,512.79 = 104,136.36/x
  3. Step 3: Cross multiply
    172,106.91x = 237,512.79 × 104,136.36
  4. Step 4: Simplify right side
    172,106.91x = 24,733,717,404.04
  5. Step 5: Solve for x
    x = 24,733,717,404.04/172,106.91
  6. Step 6: Final answer
    x = 143,711.36

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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.