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Finding the Fourth Proportional to 125,463.63, 188,170.39 and 46,559.41

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Solution

The fourth proportional to 125,463.63, 188,170.39 and 46,559.41 is: 69,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,463.63 : 188,170.39 = 46,559.41 : x
  2. Step 2: Convert to fraction form
    125,463.63/188,170.39 = 46,559.41/x
  3. Step 3: Cross multiply
    125,463.63x = 188,170.39 × 46,559.41
  4. Step 4: Simplify right side
    125,463.63x = 8,761,101,925.64
  5. Step 5: Solve for x
    x = 8,761,101,925.64/125,463.63
  6. Step 6: Final answer
    x = 69,829.81

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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.