Home / 109,242.12-150,768.48-61,504.80

Finding the Fourth Proportional to 109,242.12, 150,768.48 and 61,504.80

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Solution

The fourth proportional to 109,242.12, 150,768.48 and 61,504.80 is: 84,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242.12 : 150,768.48 = 61,504.80 : x
  2. Step 2: Convert to fraction form
    109,242.12/150,768.48 = 61,504.80/x
  3. Step 3: Cross multiply
    109,242.12x = 150,768.48 × 61,504.80
  4. Step 4: Simplify right side
    109,242.12x = 9,272,985,208.70
  5. Step 5: Solve for x
    x = 9,272,985,208.70/109,242.12
  6. Step 6: Final answer
    x = 84,884.71

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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.