Home / 117,738.47-176,613.81-38,858.85

Finding the Fourth Proportional to 117,738.47, 176,613.81 and 38,858.85

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Solution

The fourth proportional to 117,738.47, 176,613.81 and 38,858.85 is: 58,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,738.47 : 176,613.81 = 38,858.85 : x
  2. Step 2: Convert to fraction form
    117,738.47/176,613.81 = 38,858.85/x
  3. Step 3: Cross multiply
    117,738.47x = 176,613.81 × 38,858.85
  4. Step 4: Simplify right side
    117,738.47x = 6,863,009,550.72
  5. Step 5: Solve for x
    x = 6,863,009,550.72/117,738.47
  6. Step 6: Final answer
    x = 58,290.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.