Home / 125,639.98-188,495.13-50,812.65

Finding the Fourth Proportional to 125,639.98, 188,495.13 and 50,812.65

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Solution

The fourth proportional to 125,639.98, 188,495.13 and 50,812.65 is: 76,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.98 : 188,495.13 = 50,812.65 : x
  2. Step 2: Convert to fraction form
    125,639.98/188,495.13 = 50,812.65/x
  3. Step 3: Cross multiply
    125,639.98x = 188,495.13 × 50,812.65
  4. Step 4: Simplify right side
    125,639.98x = 9,577,937,257.94
  5. Step 5: Solve for x
    x = 9,577,937,257.94/125,639.98
  6. Step 6: Final answer
    x = 76,233.20

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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.