Home / 147,288.96-203,262.72-80,225.28

Finding the Fourth Proportional to 147,288.96, 203,262.72 and 80,225.28

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Solution

The fourth proportional to 147,288.96, 203,262.72 and 80,225.28 is: 110,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,288.96 : 203,262.72 = 80,225.28 : x
  2. Step 2: Convert to fraction form
    147,288.96/203,262.72 = 80,225.28/x
  3. Step 3: Cross multiply
    147,288.96x = 203,262.72 × 80,225.28
  4. Step 4: Simplify right side
    147,288.96x = 16,306,808,625.56
  5. Step 5: Solve for x
    x = 16,306,808,625.56/147,288.96
  6. Step 6: Final answer
    x = 110,713.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.