Home / 146,011.68-201,517.20-137,005.56

Finding the Fourth Proportional to 146,011.68, 201,517.20 and 137,005.56

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Solution

The fourth proportional to 146,011.68, 201,517.20 and 137,005.56 is: 189,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,011.68 : 201,517.20 = 137,005.56 : x
  2. Step 2: Convert to fraction form
    146,011.68/201,517.20 = 137,005.56/x
  3. Step 3: Cross multiply
    146,011.68x = 201,517.20 × 137,005.56
  4. Step 4: Simplify right side
    146,011.68x = 27,608,976,835.63
  5. Step 5: Solve for x
    x = 27,608,976,835.63/146,011.68
  6. Step 6: Final answer
    x = 189,087.45

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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.