Home / 135,903.58-187,555.62-75,474.21

Finding the Fourth Proportional to 135,903.58, 187,555.62 and 75,474.21

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Solution

The fourth proportional to 135,903.58, 187,555.62 and 75,474.21 is: 104,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,903.58 : 187,555.62 = 75,474.21 : x
  2. Step 2: Convert to fraction form
    135,903.58/187,555.62 = 75,474.21/x
  3. Step 3: Cross multiply
    135,903.58x = 187,555.62 × 75,474.21
  4. Step 4: Simplify right side
    135,903.58x = 14,155,612,250.56
  5. Step 5: Solve for x
    x = 14,155,612,250.56/135,903.58
  6. Step 6: Final answer
    x = 104,159.23

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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.