Home / 172,412.72-237,927.26-96,961.22

Finding the Fourth Proportional to 172,412.72, 237,927.26 and 96,961.22

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Solution

The fourth proportional to 172,412.72, 237,927.26 and 96,961.22 is: 133,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,412.72 : 237,927.26 = 96,961.22 : x
  2. Step 2: Convert to fraction form
    172,412.72/237,927.26 = 96,961.22/x
  3. Step 3: Cross multiply
    172,412.72x = 237,927.26 × 96,961.22
  4. Step 4: Simplify right side
    172,412.72x = 23,069,717,400.86
  5. Step 5: Solve for x
    x = 23,069,717,400.86/172,412.72
  6. Step 6: Final answer
    x = 133,805.19

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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.