Home / 135,908.84-187,558.86-75,480.44

Finding the Fourth Proportional to 135,908.84, 187,558.86 and 75,480.44

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Solution

The fourth proportional to 135,908.84, 187,558.86 and 75,480.44 is: 104,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,908.84 : 187,558.86 = 75,480.44 : x
  2. Step 2: Convert to fraction form
    135,908.84/187,558.86 = 75,480.44/x
  3. Step 3: Cross multiply
    135,908.84x = 187,558.86 × 75,480.44
  4. Step 4: Simplify right side
    135,908.84x = 14,157,025,278.70
  5. Step 5: Solve for x
    x = 14,157,025,278.70/135,908.84
  6. Step 6: Final answer
    x = 104,165.60

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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.