Home / 171,860.36-237,195.81-100,240.39

Finding the Fourth Proportional to 171,860.36, 237,195.81 and 100,240.39

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Solution

The fourth proportional to 171,860.36, 237,195.81 and 100,240.39 is: 138,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,860.36 : 237,195.81 = 100,240.39 : x
  2. Step 2: Convert to fraction form
    171,860.36/237,195.81 = 100,240.39/x
  3. Step 3: Cross multiply
    171,860.36x = 237,195.81 × 100,240.39
  4. Step 4: Simplify right side
    171,860.36x = 23,776,599,674.48
  5. Step 5: Solve for x
    x = 23,776,599,674.48/171,860.36
  6. Step 6: Final answer
    x = 138,348.36

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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.