Home / 135,544.20-187,048.20-75,114.36

Finding the Fourth Proportional to 135,544.20, 187,048.20 and 75,114.36

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Solution

The fourth proportional to 135,544.20, 187,048.20 and 75,114.36 is: 103,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,544.20 : 187,048.20 = 75,114.36 : x
  2. Step 2: Convert to fraction form
    135,544.20/187,048.20 = 75,114.36/x
  3. Step 3: Cross multiply
    135,544.20x = 187,048.20 × 75,114.36
  4. Step 4: Simplify right side
    135,544.20x = 14,050,005,832.15
  5. Step 5: Solve for x
    x = 14,050,005,832.15/135,544.20
  6. Step 6: Final answer
    x = 103,656.27

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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.