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Finding the Fourth Proportional to 125,849.80, 188,606.94 and 46,884.52

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Solution

The fourth proportional to 125,849.80, 188,606.94 and 46,884.52 is: 70,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,849.80 : 188,606.94 = 46,884.52 : x
  2. Step 2: Convert to fraction form
    125,849.80/188,606.94 = 46,884.52/x
  3. Step 3: Cross multiply
    125,849.80x = 188,606.94 × 46,884.52
  4. Step 4: Simplify right side
    125,849.80x = 8,842,745,850.57
  5. Step 5: Solve for x
    x = 8,842,745,850.57/125,849.80
  6. Step 6: Final answer
    x = 70,264.28

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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.