Home / 135,724.76-187,300.39-75,295.40

Finding the Fourth Proportional to 135,724.76, 187,300.39 and 75,295.40

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Solution

The fourth proportional to 135,724.76, 187,300.39 and 75,295.40 is: 103,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,724.76 : 187,300.39 = 75,295.40 : x
  2. Step 2: Convert to fraction form
    135,724.76/187,300.39 = 75,295.40/x
  3. Step 3: Cross multiply
    135,724.76x = 187,300.39 × 75,295.40
  4. Step 4: Simplify right side
    135,724.76x = 14,102,858,065.22
  5. Step 5: Solve for x
    x = 14,102,858,065.22/135,724.76
  6. Step 6: Final answer
    x = 103,907.77

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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.