Home / 147,822.37-203,983.01-83,288.86

Finding the Fourth Proportional to 147,822.37, 203,983.01 and 83,288.86

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Solution

The fourth proportional to 147,822.37, 203,983.01 and 83,288.86 is: 114,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.37 : 203,983.01 = 83,288.86 : x
  2. Step 2: Convert to fraction form
    147,822.37/203,983.01 = 83,288.86/x
  3. Step 3: Cross multiply
    147,822.37x = 203,983.01 × 83,288.86
  4. Step 4: Simplify right side
    147,822.37x = 16,989,511,748.20
  5. Step 5: Solve for x
    x = 16,989,511,748.20/147,822.37
  6. Step 6: Final answer
    x = 114,931.94

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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.