Home / 108,910.26-150,279.89-61,154.37

Finding the Fourth Proportional to 108,910.26, 150,279.89 and 61,154.37

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Solution

The fourth proportional to 108,910.26, 150,279.89 and 61,154.37 is: 84,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,910.26 : 150,279.89 = 61,154.37 : x
  2. Step 2: Convert to fraction form
    108,910.26/150,279.89 = 61,154.37/x
  3. Step 3: Cross multiply
    108,910.26x = 150,279.89 × 61,154.37
  4. Step 4: Simplify right side
    108,910.26x = 9,190,271,690.85
  5. Step 5: Solve for x
    x = 9,190,271,690.85/108,910.26
  6. Step 6: Final answer
    x = 84,383.89

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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.