Home / 109,242.09-150,753.69-61,495.56

Finding the Fourth Proportional to 109,242.09, 150,753.69 and 61,495.56

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Solution

The fourth proportional to 109,242.09, 150,753.69 and 61,495.56 is: 84,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242.09 : 150,753.69 = 61,495.56 : x
  2. Step 2: Convert to fraction form
    109,242.09/150,753.69 = 61,495.56/x
  3. Step 3: Cross multiply
    109,242.09x = 150,753.69 × 61,495.56
  4. Step 4: Simplify right side
    109,242.09x = 9,270,682,588.62
  5. Step 5: Solve for x
    x = 9,270,682,588.62/109,242.09
  6. Step 6: Final answer
    x = 84,863.65

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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.