Home / 117,991.08-176,981.48-38,027.26

Finding the Fourth Proportional to 117,991.08, 176,981.48 and 38,027.26

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Solution

The fourth proportional to 117,991.08, 176,981.48 and 38,027.26 is: 57,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,991.08 : 176,981.48 = 38,027.26 : x
  2. Step 2: Convert to fraction form
    117,991.08/176,981.48 = 38,027.26/x
  3. Step 3: Cross multiply
    117,991.08x = 176,981.48 × 38,027.26
  4. Step 4: Simplify right side
    117,991.08x = 6,730,120,755.14
  5. Step 5: Solve for x
    x = 6,730,120,755.14/117,991.08
  6. Step 6: Final answer
    x = 57,039.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.