Home / 135,510.12-203,283.84-45,559.80

Finding the Fourth Proportional to 135,510.12, 203,283.84 and 45,559.80

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Solution

The fourth proportional to 135,510.12, 203,283.84 and 45,559.80 is: 68,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,510.12 : 203,283.84 = 45,559.80 : x
  2. Step 2: Convert to fraction form
    135,510.12/203,283.84 = 45,559.80/x
  3. Step 3: Cross multiply
    135,510.12x = 203,283.84 × 45,559.80
  4. Step 4: Simplify right side
    135,510.12x = 9,261,571,093.63
  5. Step 5: Solve for x
    x = 9,261,571,093.63/135,510.12
  6. Step 6: Final answer
    x = 68,345.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.