Home / 147,825.37-203,999.21-84,163.15

Finding the Fourth Proportional to 147,825.37, 203,999.21 and 84,163.15

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Solution

The fourth proportional to 147,825.37, 203,999.21 and 84,163.15 is: 116,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,825.37 : 203,999.21 = 84,163.15 : x
  2. Step 2: Convert to fraction form
    147,825.37/203,999.21 = 84,163.15/x
  3. Step 3: Cross multiply
    147,825.37x = 203,999.21 × 84,163.15
  4. Step 4: Simplify right side
    147,825.37x = 17,169,216,260.91
  5. Step 5: Solve for x
    x = 17,169,216,260.91/147,825.37
  6. Step 6: Final answer
    x = 116,145.26

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1.5x scale

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.