Home / 78,171.24-107,859.69-46,350.39

Finding the Fourth Proportional to 78,171.24, 107,859.69 and 46,350.39

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Solution

The fourth proportional to 78,171.24, 107,859.69 and 46,350.39 is: 63,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,171.24 : 107,859.69 = 46,350.39 : x
  2. Step 2: Convert to fraction form
    78,171.24/107,859.69 = 46,350.39/x
  3. Step 3: Cross multiply
    78,171.24x = 107,859.69 × 46,350.39
  4. Step 4: Simplify right side
    78,171.24x = 4,999,338,696.78
  5. Step 5: Solve for x
    x = 4,999,338,696.78/78,171.24
  6. Step 6: Final answer
    x = 63,953.68

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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.