Home / 171,867.54-237,205.70-100,247.56

Finding the Fourth Proportional to 171,867.54, 237,205.70 and 100,247.56

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Solution

The fourth proportional to 171,867.54, 237,205.70 and 100,247.56 is: 138,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,867.54 : 237,205.70 = 100,247.56 : x
  2. Step 2: Convert to fraction form
    171,867.54/237,205.70 = 100,247.56/x
  3. Step 3: Cross multiply
    171,867.54x = 237,205.70 × 100,247.56
  4. Step 4: Simplify right side
    171,867.54x = 23,779,292,643.09
  5. Step 5: Solve for x
    x = 23,779,292,643.09/171,867.54
  6. Step 6: Final answer
    x = 138,358.25

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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.