Home / 109,279.14-150,792.75-61,531.26

Finding the Fourth Proportional to 109,279.14, 150,792.75 and 61,531.26

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Solution

The fourth proportional to 109,279.14, 150,792.75 and 61,531.26 is: 84,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.14 : 150,792.75 = 61,531.26 : x
  2. Step 2: Convert to fraction form
    109,279.14/150,792.75 = 61,531.26/x
  3. Step 3: Cross multiply
    109,279.14x = 150,792.75 × 61,531.26
  4. Step 4: Simplify right side
    109,279.14x = 9,278,467,906.37
  5. Step 5: Solve for x
    x = 9,278,467,906.37/109,279.14
  6. Step 6: Final answer
    x = 84,906.12

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1.5x scale

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.