Home / 137,125.20-189,330.84-106,944.24

Finding the Fourth Proportional to 137,125.20, 189,330.84 and 106,944.24

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Solution

The fourth proportional to 137,125.20, 189,330.84 and 106,944.24 is: 147,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,125.20 : 189,330.84 = 106,944.24 : x
  2. Step 2: Convert to fraction form
    137,125.20/189,330.84 = 106,944.24/x
  3. Step 3: Cross multiply
    137,125.20x = 189,330.84 × 106,944.24
  4. Step 4: Simplify right side
    137,125.20x = 20,247,842,792.36
  5. Step 5: Solve for x
    x = 20,247,842,792.36/137,125.20
  6. Step 6: Final answer
    x = 147,659.53

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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.