Home / 171,867.48-237,205.66-100,247.52

Finding the Fourth Proportional to 171,867.48, 237,205.66 and 100,247.52

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Solution

The fourth proportional to 171,867.48, 237,205.66 and 100,247.52 is: 138,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,867.48 : 237,205.66 = 100,247.52 : x
  2. Step 2: Convert to fraction form
    171,867.48/237,205.66 = 100,247.52/x
  3. Step 3: Cross multiply
    171,867.48x = 237,205.66 × 100,247.52
  4. Step 4: Simplify right side
    171,867.48x = 23,779,279,144.96
  5. Step 5: Solve for x
    x = 23,779,279,144.96/171,867.48
  6. Step 6: Final answer
    x = 138,358.22

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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.