Home / 135,535.70-187,040.37-75,107.35

Finding the Fourth Proportional to 135,535.70, 187,040.37 and 75,107.35

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Solution

The fourth proportional to 135,535.70, 187,040.37 and 75,107.35 is: 103,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,535.70 : 187,040.37 = 75,107.35 : x
  2. Step 2: Convert to fraction form
    135,535.70/187,040.37 = 75,107.35/x
  3. Step 3: Cross multiply
    135,535.70x = 187,040.37 × 75,107.35
  4. Step 4: Simplify right side
    135,535.70x = 14,048,106,533.72
  5. Step 5: Solve for x
    x = 14,048,106,533.72/135,535.70
  6. Step 6: Final answer
    x = 103,648.75

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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.