Home / 147,226.64-203,103.72-90,617.36

Finding the Fourth Proportional to 147,226.64, 203,103.72 and 90,617.36

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Solution

The fourth proportional to 147,226.64, 203,103.72 and 90,617.36 is: 125,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.64 : 203,103.72 = 90,617.36 : x
  2. Step 2: Convert to fraction form
    147,226.64/203,103.72 = 90,617.36/x
  3. Step 3: Cross multiply
    147,226.64x = 203,103.72 × 90,617.36
  4. Step 4: Simplify right side
    147,226.64x = 18,404,722,912.58
  5. Step 5: Solve for x
    x = 18,404,722,912.58/147,226.64
  6. Step 6: Final answer
    x = 125,009.46

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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.