Home / 172,301.09-237,740.64-100,667.27

Finding the Fourth Proportional to 172,301.09, 237,740.64 and 100,667.27

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Solution

The fourth proportional to 172,301.09, 237,740.64 and 100,667.27 is: 138,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301.09 : 237,740.64 = 100,667.27 : x
  2. Step 2: Convert to fraction form
    172,301.09/237,740.64 = 100,667.27/x
  3. Step 3: Cross multiply
    172,301.09x = 237,740.64 × 100,667.27
  4. Step 4: Simplify right side
    172,301.09x = 23,932,701,196.85
  5. Step 5: Solve for x
    x = 23,932,701,196.85/172,301.09
  6. Step 6: Final answer
    x = 138,900.46

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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.