Home / 147,400.30-221,143.83-47,558.62

Finding the Fourth Proportional to 147,400.30, 221,143.83 and 47,558.62

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Solution

The fourth proportional to 147,400.30, 221,143.83 and 47,558.62 is: 71,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.30 : 221,143.83 = 47,558.62 : x
  2. Step 2: Convert to fraction form
    147,400.30/221,143.83 = 47,558.62/x
  3. Step 3: Cross multiply
    147,400.30x = 221,143.83 × 47,558.62
  4. Step 4: Simplify right side
    147,400.30x = 10,517,295,376.31
  5. Step 5: Solve for x
    x = 10,517,295,376.31/147,400.30
  6. Step 6: Final answer
    x = 71,351.93

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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.