Home / 117,613.24-175,174.97-117,039.78

Finding the Fourth Proportional to 117,613.24, 175,174.97 and 117,039.78

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Solution

The fourth proportional to 117,613.24, 175,174.97 and 117,039.78 is: 174,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,613.24 : 175,174.97 = 117,039.78 : x
  2. Step 2: Convert to fraction form
    117,613.24/175,174.97 = 117,039.78/x
  3. Step 3: Cross multiply
    117,613.24x = 175,174.97 × 117,039.78
  4. Step 4: Simplify right side
    117,613.24x = 20,502,439,365.11
  5. Step 5: Solve for x
    x = 20,502,439,365.11/117,613.24
  6. Step 6: Final answer
    x = 174,320.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.