Home / 135,987.80-203,933.10-47,244.20

Finding the Fourth Proportional to 135,987.80, 203,933.10 and 47,244.20

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Solution

The fourth proportional to 135,987.80, 203,933.10 and 47,244.20 is: 70,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,987.80 : 203,933.10 = 47,244.20 : x
  2. Step 2: Convert to fraction form
    135,987.80/203,933.10 = 47,244.20/x
  3. Step 3: Cross multiply
    135,987.80x = 203,933.10 × 47,244.20
  4. Step 4: Simplify right side
    135,987.80x = 9,634,656,163.02
  5. Step 5: Solve for x
    x = 9,634,656,163.02/135,987.80
  6. Step 6: Final answer
    x = 70,849.42

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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.