Home / 147,438.48-203,330.12-109,293.06

Finding the Fourth Proportional to 147,438.48, 203,330.12 and 109,293.06

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Solution

The fourth proportional to 147,438.48, 203,330.12 and 109,293.06 is: 150,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,438.48 : 203,330.12 = 109,293.06 : x
  2. Step 2: Convert to fraction form
    147,438.48/203,330.12 = 109,293.06/x
  3. Step 3: Cross multiply
    147,438.48x = 203,330.12 × 109,293.06
  4. Step 4: Simplify right side
    147,438.48x = 22,222,571,004.97
  5. Step 5: Solve for x
    x = 22,222,571,004.97/147,438.48
  6. Step 6: Final answer
    x = 150,724.36

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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.