Home / 171,864.08-237,119.28-100,193.37

Finding the Fourth Proportional to 171,864.08, 237,119.28 and 100,193.37

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Solution

The fourth proportional to 171,864.08, 237,119.28 and 100,193.37 is: 138,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,864.08 : 237,119.28 = 100,193.37 : x
  2. Step 2: Convert to fraction form
    171,864.08/237,119.28 = 100,193.37/x
  3. Step 3: Cross multiply
    171,864.08x = 237,119.28 × 100,193.37
  4. Step 4: Simplify right side
    171,864.08x = 23,757,779,755.17
  5. Step 5: Solve for x
    x = 23,757,779,755.17/171,864.08
  6. Step 6: Final answer
    x = 138,235.86

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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.