Home / 147,529.30-221,403.30-108,163.30

Finding the Fourth Proportional to 147,529.30, 221,403.30 and 108,163.30

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Solution

The fourth proportional to 147,529.30, 221,403.30 and 108,163.30 is: 162,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,529.30 : 221,403.30 = 108,163.30 : x
  2. Step 2: Convert to fraction form
    147,529.30/221,403.30 = 108,163.30/x
  3. Step 3: Cross multiply
    147,529.30x = 221,403.30 × 108,163.30
  4. Step 4: Simplify right side
    147,529.30x = 23,947,711,558.89
  5. Step 5: Solve for x
    x = 23,947,711,558.89/147,529.30
  6. Step 6: Final answer
    x = 162,325.12

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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.